the morning train，he would not have been late for the meeting．
| A．Did he catch | B．Should he catch |
| C．Had he caught | D．Has he caught |
News has been put forward ________ more middle school graduates will be admitted into universities.
| A．while | B．when | C．that | D．As |
The reason why he didn't come to school was ________ he was ill.
| A．that | B．how | C．why | D．because |
Does ________ matter much if they do not come tomorrow?
| A．this | B．it | C．that | D．he |
The bell ____ the end of the period rang and we had to stop our discussion
| A．indicating | B．indicated |
| C．to be indicated | D．being indicated |
One-third of the area ________ covered with trees. About seventy percent of the trees _______ been planted recently.
| A．is; has | B．is; have | C．are; have | D．are; has |