The sand in the river is increasing these years. We must to protect
the environment.
| A．take measures | B．do some work | C．do something | D．make some rules |
–-Tom, ________we go home together this afternoon ?
–- Ok !
| A．shall | B．must | C．will | D．can |
_______ was at the end of the meeting that Mr. Smith made the decision .
| A．This | B．It | C．That | D．不填 |
I invited Joe and Linda to the party, and both of _______ came.
| A．they | B．him | C．she | D．them |
Tom ! You _____on the phone just now, but you _____in.
| A．wanted , were | B．are wanted , are |
| C．were wanted , weren’t | D．called , aren’t |
______ that he runs the fastest in his class.
| A．It is no doubt | B．It is doubtless |
| C．There is no doubt | D．I don’t doubt about |