—_____ Why do you look so sad?
—I’ve lost all my files from the computer. It’s a disaster.
A. How are you? B. What are you doing?
C. What’s wrong with you? D. How about your computer?
You know that little Italian restaurant — the one _____ I mentioned in my letter? Well, it’s just amazing and I hope we will get a chance to have dinner there sometime.
A. where B. that
C. as D. when
I can’t wait to get such an interesting book. So I would be most _____ if you could send it to me immediately.
A. useful B. careful
C. helpful D. grateful
Look at the rules on the wall! The books are not allowed _____ out of the room. So you had better look through it quickly in the library.
A. being taken B. taking
C. to be taken D. to take
It is widely believed that the role of scientists is to _____ and describe the world, not to try to control it.
A. amuse B. create
C. observe D. travel
The TV forecasts _____ there will be a storm this evening, so I advise you to refuse Ann’s invitation to the party and stay at home.
A. which B. that
C. whether D. when
