Look! Several people in the crowd seemed .
| A．to be fighting |
| B．to have fought |
| C．being fought |
| D．having fought |
David said that it was______ his strong interest in literature_____ he chose the course.
| A．because of; that | B．because; so |
| C．because; that | D．why; because |
The number of the people invited to the meeting ____ about 100, but a number of them ____ late because of the heavy snow.
| A．were; was | B．were; were | C．was; were | D．was; was |
What great trouble we had _______ where his house was.
| A．finding | B．to find | C．find | D．found |
Having retired(退休), he ______ the club for old men and plays chess every day there.
| A．takes part in | B．joins in | C．attends | D．joins |
The mother asked her son_________.
| A．what did he do the day before. | B．where did he find his lost wallet |
| C．what time he got up that morning | D．that if he had finished his homework |