______ the prices of color TV sets down by 50%, the company had a very hard time.
| A．As | B．With | C．Because of | D．For |
He ______hope he will win the game.
| A．do | B．did | C．doing | D．does |
Many questions ________ at the news conference, but he answered none.
| A．came in | B．came off | C．came about | D．came up |
The child asked his mother ________ go out to play tennis.
| A．that he could | B．if he could |
| C．if could he | D．that could he |
It is the first time that I _______ this kind of moon cake.
| A．enjoyed | B．enjoy | C．have enjoyed | D．Enjoying |
_____ catch the first bus, he got up very early this morning.
| A．In order to | B．In order that |
| C．So as to | D．So that |