—As a student, we should study hard.
— Yes, ______ we study, ________ results we’ll get.
| A．the harder; the good |
| B．the harder; the best |
| C．the hard; the better |
| D．the harder; the better |
____ 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 |
— I’ll be able to come to see your performance at 8:30 tomorrow evening.
— I’m sorry, by then my performance ____ and I ____reporters in the meeting room.
| A．will be ended; will meet | B．is to end; will meet |
| C．will have ended; will be meeting | D．will end; am going to meet |
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 |