– A number of students ____ in the dinning hall.
-- Let me count. The number of the students ____ about 400.
| A．are, is | B．is, are | C．are, are | D．is, is |
_______, when Marx was already _______, he found it was important to study the situation in Russia, so he began to learn Russian.
| A．In 1870s, in his fifties |
| B．In 1870s, in fifties |
| C．In the 1870s, in fifties |
| D．In the 1870s, in his fifties |
---Where is Linda? I can’t find her anywhere. ---She ______ the flowers in the garden.
| A．waters | B．is watering |
| C．watered | D．has watered |
If we ______ take environmental problems seriously, the earth _______ worse and worse.
| A．don’t; will be | B．won’t; isn’t |
| C．won’t; is | D．don’t; won’t be |
---How do you like the talk show?
---I think it’s __________, but some people think it’s so _________.
| A．wonderful enough; bored |
| B．enough wonderful; boring |
| C．wonderful enough; boring |
| D．enough wonderful; bored |
My coat costs little. What about ________?
―_______ is expensive.
| A．you, It | B．him, His |
| C．yours, Mine | D．hers, She |