They want to make_________ clear to public that they are doing an important and necessary job.
| A．that | B．this | C．it | D．one |
When he was a boy, he used to go there and watch _____.
| A．to repair bicycles |
| B．bicycles to be repaired |
| C．bicycles being repaired |
| D．repairing bicycles |
--- I beg your pardon, but I didn’t quite catch you.
--- Oh, I ______ myself.
| A．am talking to | B．talked about |
| C．have talked to | D．was talking to |
He ______ at the meeting, but his heart attack prevented him.
| A．will speak | B．is going to speak |
| C．had to speak | D．was going to speak |
Remember to send me a photo of us next time you ______ to me.
| A．are writing | B．will write |
| C．has written | D．write |
--- I ______ so busily recently that I ______ no time to help you with your math.
--- That’s OK. I can manage it by myself.
| A．have been working; have |
| B．have worked; had |
| C．am working; will have |
| D．had been working; had had |