30．Some children want to challenge themselves by learning a language different from____spoken by their parents at home．
| A．what | B．that | C．which | D．one |
Only when the war was over ______ to his hometown.
| A．did the young soldier return |
| B．the young soldier returned |
| C．returned the young soldier |
| D．the young soldier did return |
I found ______ flowers on my way to the countryside last weekend.
| A．some beautiful little red |
| B．some little red beautiful |
| C．some red little beautiful |
| D．some little beautiful red |
I first met Mr. Smith in America. He ______ at Stanford University then.
| A．studied | B．has studied |
| C．is studying | D．was studying |
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
| A．could | B．might | C．would | D．must |
--- Do you take ______ sugar in your tea?
--- I used to, but now I’m on ______ diet. I’m trying to lose weight.
| A．the; the | B．不填; a | C．不填; 不填 | D．the; a |