The reason _______ he didn’t come was _______he was injured.
| A．that, because | B．why, that |
| C．why, because | D．that, that |
-------He says that my new car is a ____________ of money.
-------Don’t you think those words are just sour grapes? 
| A．lack | B．load | C．question | D．waste |
The little girl who got lost decided to remainshe was and wait tor her mother.
| A． | where | B． | what | C． | how | D． | who |
So sudden（）that the enemy had no time to escape.
| A． | did the attack | B． | the attack did | C． | was the attack | D． | the attack was |
-------Do you have enough toall your daily expenses?
--------Oh yes, enough and to spare.
| A． | cover | B． | spend | C． | fill | D． | offer |
The number of foreign students attending Chinese universities ________ rising steadily since1990.
| A．is | B．are | C．has been | D．have been |