With online course Crazy English has over 20 million students all over China _____the class through the Internet.
| A．attending | B．attended | C．attend | D．to be attending |
Listening to music at home is one thing, going to hear it live is quite another.
| A．perform | B．performing |
| C．to perform | D．being performed |
You won’t find paper cutting difficult _____you keep practicing it.
| A．even if | B．as long as |
| C．as if | D．ever since |
One of the most effective ways to reduce is to talk about feeling with someone you trust.
| A．production | B．stress |
| C．energy | D．passive |
If you have any doubts about your health, you’d better______ your doctor at once.
| A．convince | B．consult |
| C．avoid | D．affect |
It is a truly delightful place, ________ looks the same as it must have done 100 years ago with its winding streets and pretty cottages..
| A．as | B．where |
| C．that | D．which |