What hot weather! Would you mind opening the windows—________

I’m sure that your letter will get attention. They know you’re waiting for the reply .

I can think of many cases ______students obviouslyknow a lot of English words and expressions but couldn’t write a good essay .

I was completely terrified when I suddenly saw a dark figure leaning ________ the door in front of me.

. It looks as if they are going to ____ us , dollars for the concert hall.