I’m really sorry, Lucy. I ______ to help you, but I was too busy at that time.
| A．meant | B．mean | C．had meant | D．have meant |
— Margaret _____________ stay at home all day long in front of the computer.
—That' s right．She should go to the fitness center with us.
| A．doesn’t have to | B．couldn’t | C．oughtn’t to | D．may not |
The flood this summer caused serious _______________ to the crops in Northeast China.
| A．damage | B．harm | C．hurt | D．injury |
It was _____________________ that the tourists wanted to spend more time taking pictures outdoors.
| A．so fine weather | B．such fine weather | C．so fine a weather | D．such a fine weather |
After entering university, we will reach a point in our studies _________we need to decide how to arrange our timetable efficiently and independently.
| A．that | B．what | C．which | D．where |
I was out town at the time, so I don’t know exactly how it ____________________.
| A．has happened | B．happened | C．happens | D．was happening |