—Hi, Mary. __________?
—Not so well. I can’t keep up with the other students.
| A．How long have you studied chemistry |
| B．Who is teaching you chemistry |
| C．How is your chemistry study going |
| D．Where are you learning chemistry |
We were swimming in the lake _______ suddenly the storm started.
| A．until | B．while | C．when | D．before |
Lucy is careless. But Tom doesn’t do his homework _______ Lucy.
| A．as careful as | B．so careless as |
| C．as carefully as | D．so carelessly as |
Everybody should study hard. No one can _______ us _______ a good future.
| A．provide;for | B．provide; with |
| C．keep;/ | D．protect; to have |
There’s water all over the kitchen. You’d better _______ right away.
| A．to mop up it | B．to mop it up |
| C．mop it up | D．mop up it |
I saw a number of pancakes in the plate, but now there is _______ left in it.
| A．none | B．something | C．nothing | D．no one |