—Must I return this magazine within one week?
—No, you ________.
A.didn’t have to |
B.mustn’t |
C.hadn’t better |
D.shouldn’t |
By using ears one can tell the direction _____ a sound comes.
A.in which | B.from which |
C.with which | D.through which |
Don’t forget to take your cellphone with you _____ you can call for help if necessary.
A.now that | B.even if | C.so as | D.in case |
What especially impressed us was the way _____ our teacher studied foreign language.
A./ | B.which | C.by which | D.what |
As you know, this is the day_____ the quake happened thirty years ago.
A.that | B.for which | C.where | D.when |
---Hi , Bruce. Here is a letter for you.
--- Thanks. I wonder _____.
A.who the letter was from | B.who was from the letter |
C.who was the letter from | D.who from the letter was |