__________ you may have, you should gather your courage to face the challenge.
| A．However serious a problem |
| B．Whatever serious a problem |
| C．However a serious problem |
| D．No matter how a serious problem |
John is taller than ____ in his brother Tom’s class.
| A．any other boy | B．all other boys | C．any boy | D．everyone |
Two percent of the total poulation of China have ____ access to the
Internet,____ with 45 percent in the USA and 15 percent in Japan.
| A．an; compared | B．/ ;compared | C．an; comparing | D．/; comparing |
We live in ____ neighbourhood of the school and go to school on ____ foot.
| A．the; / | B．the; the | C．a; / | D．a; the |
There are lots of plastic bags ____ in the river, ____ it very dirty.
| A．floating; making | B．to float; made |
| C．being floated; made | D．floated; making |
--- Would you mind if I used your bike?
--- ____.
| A．Of course | B．Go ahead | C．Good luck | D．Good idea |