Play, often _______ as an activity for young children, is still important in the social development of teenagers.
| A．to see | B．seeing | C．to be seen | D．seen |
Egg prices usually ________ in spring when they are most plentiful.
| A．are dropping | B．drop |
| C．have dropped | D．will drop |
—Did you listen to the report last Friday?
—Yes, it was about the shortage of immigrant workers. That was the first time I ________ about the subject.
| A．have heard | B．was hearing |
| C．would hear | D．had heard |
—How long have you been in this office?
—Just a few minutes.My cousins ________ here together with me.
| A．have walked | B．had walked |
| C．walked | D．have been walking |
—Why don't we choose that road to save time?
—The bridge to it ________.
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
I had wanted to take the career of being a model, but I ________ not good at dealing with constant media attention.
| A．had been | B．has been |
| C．am | D．was |