________ that we can’t afford to waste it.
| A．So precious is time | B．So time is precious |
| C．So is time precious | D．So precious time is |
The girl often helps her best friend, ______ is not good at English.
| A．which | B．who | C．what | D．where |
–-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 |