-Can you tell me why you learn English so well?
-It’s very simple._____ you work,______ grades you will get.
| A．The harder;the best | B．The bard;the better |
| C．Harder;better | D．The harder;the better |
----How are you going, buddy?
----________. A little busy, though.
| A．Can’t be worse | B．By train | C．Not too bad | D．on my own |
Scientists from different countries are trying to_______ a good way to solve the energy problem.
| A．keep up with | B．come up with | C．catch up with | D．meet up with |
— Have you finished writing your book? — Yes. It _______ and _______ soon.
| A．is printing; is coming out | B．is being printed; will come out |
| C．is going to print, will be come out | D．is printed; has come out |
— Would your brother go for a picnic?. —If I don’t go, __________ .
| A．so does he | B．so will he | C．neither does he | D．neither will he |
— I am a little hungry, Mom.
— There are some cakes on the plate. You can take ________.
| A．it | B．one | C．that | D．this |