Air pollution, together with littering, ____ many problems in our large industrial cities today.
|
A．causes |
B．cause |
C．caused |
D．causing |
His advice made me happy, but ____others angry.
|
A．making |
B．to make |
C．/ |
D．make |
____ the flight to Beijing will be delayed is ____ I’m especially worried about.
|
A．If; what |
B．Whether; that |
C．When; that |
D．Whether; what |
— We shall take the conditions into careful account ____ you have attached to this contract.
— Thanks. Hope for further cooperation.
|
A．as |
B．which |
C．where |
D．what |
The split between humans and living apes is thought by some scholars ____ 15 to 20 million years ago.
|
A．to occur |
B．occurring |
C．to have occurred |
D．having occurred |
— Linda hasn’t shown up yet.
— It’s strange. She ____.
|
A．could |
B．might |
C．must have |
D．should have |
