The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
22.—Boy, ____________
—It is, looks like spring is coming soon.
—Yeh, It'll just be a few more weeks.
| A．it's really a nice day today, isn't it? |
| B．what knid of weather are we going to have today? |
| C．do you think it is going to rain today? |
| D．what' it like outside today? |
23.It is important___________their offer.
24.
| A．reject | B．rejects | C．to reject | D．rejecting |
25.Has __________been decided when we are to hold the sports-meeting?
26.
| A．that | B．this | C．it | D．what |
27.—Did Li Lei call me while I was out?
28. —Yes, it was ____________that called you.
29.
| A．him | B．he | C．who | D．whom |
30.Nothing is wrong with the radio___________?
31.
| A．isn't it | B．is that | C．is it | D．isn't that |