If I had worked harder at school, I in a comfortable office now．
| A．would sit | B．would have sat | C．would be sitting | D．were sitting |
Small as it is，the ant is as much a creature asall other animals on the earth.
| A．are | B．is | C．have | D．do |
To get as much first hand information as possible，inspectors will hold workshops and distribute questionnaires，.
| A．isn’t it | B．won’t it | C．aren’t they | D．won’t they |
Professor Smith，along with his assistants，on the project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |
—Didn’t you enjoy the performance last night?
—.It was less wonderful than expected.
| A．Yes，I did | B．No，I didn’t | C．Yes，I didn’t | D．No，I did |
，and the problem would be straightened out.
| A．A bit more effort | B．Having a little effort |
| C．If you have a bit more effort | D．There being a little effort |