What does hang up mean in this sentence? Hang up the receiver.

I didn’t know _____________ to believe him or not. > > > > > *****************************************

I have a question about the word: HESITANT. This is a person who can't make a quick decision, right? Is this word often used in English? Thanks in advance for the answer!

I have a question. Are the following sentences natural expressions? 1. I often go for a drive to clear my head. 2. I often go for a drive to refresh myself. 3. I often go for a drive to take a break from work. Thank you!

Hi Italki! Here’s today’s photo…what can you find beginning with C?

The terms "research" and "study" both mean to investigate, but what are the differences between them when expressing this meaning? Thank you so much.

Hi, someone could help me to know how use thus, os and so in English ??