When I got to his home, he ________ for an hour.
| A．had left | B．left | C．had been away | D．has been away |
It is believed ______ children should learn to be responsible from the very beginning．
| A．why | B．how |
| C．when | D．that |
—Do you have any plan for this Sunday?
—Yes, I ______ shopping with my friends．
| A．go | B．am going |
| C．went | D．have gone |
The best way ______ how to drive a car is to practice with a driving instructor．
| A．learnt | B．learning |
| C．to learn | D．to be learnt |
I have watched a number of movies recently,______ none of them have impressed me．
| A．but | B．or | C．so | D．for |
When the students _____ the teacher about their problems, he was ready to give a helping hand.
| A．reminded | B．consulted | C．persuaded | D．combined |