I won’t be able to answer any phone all the afternoon．I_____________ a conference．
| A．am attend | B．was attending | C．will be attending | D．will have attended |
It was __________ computer games that cost the young man a lot of precious time that he
should __________ on his lessons．
| A．to play; be spending | B．playing; spend |
| C．played; have spent | D．playing; have spent |
Only ________ we will invite.
| A．they | B．in this way | C．them | D．when he comes back |
–My uncle will be here to attend a meeting tomorrow.
--Oh, I though that he____ today.
| A．was coming | B．is coming | C．will come | D．can come |
______ number of people who use English as ______ second language is increasing in China.
| A．A; a | B．A; the | C．The; a | D．The; the |
This is such a letter ____came last night．
| A．who | B．which | C．that | D．as |