. It is Tom rather than his classmates that _________ to blame for what has happened.
A. are B is C. were D. was
English is a language shared by several diverse cultures, __________ uses it differently.
| A．all of which | B．each of which |
| C．all of them | D．each of them |
The woman burst into tears ________she was announced the winner.
| A．that | B．instantly |
| C．unless | D．in case |
Just be patient．You _____ expect the world to change so soon．
| A．can’t | B．may not |
| C．needn’t | D．didn’t |
--- Do you remember when I first met you?
---- Of course. I ___________ at Oxford University.
| A．studied | B．had studied |
| C．have studied | D．was studying |
-Mum，I always feel everything is unfair to me．
--Complaints in life ________ no sense，for things will be what they should be．
| A．make | B．have made |
| C．will make | D．are making |