14．Mum, you really need to have a. rest! You_________in the kitchen ever since you came back home three hours ago.
| A．had worked | B．were working | C．have been working | D．Worked |
The place he suggested ______ hold the meeting is a five-star hotel.
| A．us to | B．to us to |
| C．for us to | D．to us |
It is said that he is focusing on another book on space exploration. When will it _____?
| A．come up | B．come to |
| C．come out | D．come about |
— What on earth are the police busy with?
— They _____into how the plane crash came about.
| A．had been looking | B．were looking |
| C．would look | D．have been looking |
— Why didn’t you go fishing with your friends yesterday?
— Well, fishing is an activitycalls for a great deal of patience, _____ I don’t have.
| A．where; which | B．which; which |
| C．which; that | D．where; that |
_________along the road at forty miles an hour, an old man suddenly started to cross the road in front of me.
| A．Driving | B．When I was driving |
| C．I was driving | D．Having driven |