We visited the factory ________ makes 80 percent of the toys in the city.
| A．where | B．there  |
C．in which | D．which |
Water, _______ seems so simple and common, is what makes life possible.
| A．that | B．as | C．what | D．which |
You _______ not drive so fast. There is plenty of time.
| A．need | B．could | C．may | D．can |
I will never forget how happy I was when I _______ China again.
A. set feet in B. set foot in C. put foot in D put feet in
_______ great achievements the future may have in store for China, it’s likely that many of them will be born in northwestern Beijing.
| A．However | B．Whatever | C．No matter what | D．No matter |
Water can absorb and _______ a lot of heat without big changes in temperature.
| A．give up | B．give out | C．give away | D．give off |