What does it mean by "hit an estimated"? Hi! In this sentence: In October of 2011, the world population hit an estimated 7 billion for the first time in history. What does it mean by "hit an estimated"?

What's the meaning of "to be on the bottom"? Hi! What's the meaning of "to be on the bottom" in this sentence? "An immigrant has to find ways to succeed because he's on the bottom." Source: "Executive Takes Chance on Pizza, Transforms Spain" Wisconsin State Journal (Stephen Wade)

Grammar Hey! When I was searching the oxford dictionary for the word "adapt", I found two different examples that made me think how they could be like that. 1. He has adapted very well to being at a new school. (Why "to" and "-ing" can come together?) 2. The car was adapted for use as a taxi. (Why not "using" as a noun after "for"?)

Vocabulary Hi, This is related to filling in the blank space with the most suitable option. Here's two choices which only one of is the correct answer. All our factories are working at full ...... to produce clothes as fast as possible. A) time B) capacity Actually both of them make sense to me, suites the sentence and can complete it correctly.

A question about adjs Hi, My question is that the adjective of temperature such as hot or cold, comes where in a sentence. There's a particular order says adjs come together in a sentence like this: opinion, size, age, color, shape, nationality, material and purpose. Then what if we have an adjective describing temperature? Thanks in advance

Which one is correct? (A question about adjs) There's a grammar test and I want to know which of the following choices is the correct answer and why? Children .......... Schools in villages usually get poor facilities. A) attended B) attending I myself think both of them seem to be right.

Which of them is right? 'I'm done' or 'I've done' ? Hello, Imagine a situation in which your teacher has made you do your homework and after a while you finish it. Now you want your teacher know you finished that, what would you say? My question is that you say 'I'm done' or 'I've done' ? Which of them is correct? The passive one or the active one? Why? Thanks in advance!

In or at? Hello, Which one is more appropriate in the sentence bellow? We normally say in the end or at the end? Where do we use each of them and why? 'I was in two minds about going to Paul's last night - it's a long way to his place but in/at the end I decided to go.' Thanks in advance!

Which one is correct and why? Antarctica is covered by a huge ice cap .......... 70 percent of the earth's fresh water. A) containing B) contains I myself think that both of them could be correct; A can come as an adj and describe the huge ice cap; and B can come as a verb and make a relative clause. So I got confused. Plz someone tell me the right answer with its logical reason. Actually I've already asked this but couldn't be satisfied with the answer. Thanks