She read the letter through before sending it, ______ for spelling mistakes.
| A．checked | B．to be checking | C．checking | D．having checked |
---How did the accident happen?
---The car went out of___ control and rushed into___ truck ahead of it.
| A．/, the | B．the. / | C．the, the | D．a, the |
. We are looking for an inexpensive hotel .
| A．where to live in | B．to live | C．in which to live | D．to be lived in |
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 |
二、单项填空（共15小题；每小题1分，满分15分）
从每小题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
--What is the matter with you?
--I caught cold and had to stay in bed.
A. a; / B. a; the C . a; a D. the; the