—Was it in April, 1970 China succeeded sending its first satellite into space?
—Yes, that’s right.
| A．when; in | B．that; on | C．which; on | D．that; in |
This ________ girl is Linda’s cousin.
| A．pretty little Spanish | B．Spanish little pretty |
| C．Spanish pretty little | D．little pretty Spanish |
Not until all the fish died in the river _____ how serious the pollution was.
| A．did the villagers realize | B．the villagers realized |
| C．the villagers did realize | D．didn't the villagers realize |
The Smiths have gone to New York for their holiday, with an old servant ____ their house.
| A．looking after | B．look after | C．having looked after | D．looked after |
I was about to go to bed _____ one of my old classmates made a call to me.
| A．that | B．as | C．while | D．when |
Only those ____knew well could be let in.
| A．who | B．which | C．what | D．he |