You _______ an A on your term paper, but you quoted a little bit more from others' papers.
| A．should receive | B．could have received |
| C．would receive | D．must have received |
Look out! Don’t get too close to the house the roof is under repair.
| A．whose | B．which | C．of which | D．what |
Is some American friends visited last week?
| A．this school | B．this the school |
| C．this school one | D．this school where |
. After two hours of walking, they came to the camp site, ______ .
| A．hungry and tiredly | B．hungrily and tiredly |
| C．hungrily and tired | D．hungry and tired |
. —______ that he managed to get the book?
— Oh, his sister helped him.
| A．Where was it | B．What was it | C．How was it | D．Why was it |
The reason______ he was late for class is______ he didn’t catch the first bus.
| A．why; because | B．why; that | C．that; because | D．which; that |