This year there is ______ rain and the trees are ______ fruits.
| A．a plenty of; abundant in | B．an abundance; abundant |
| C．an abundance of; abundant in | D．lots of; abundant |
Can you explain ________ the sun goes down in the west?
| A．why is it that | B．why it is that | C．how it is that | D．how is it that |
—Someone has tidied the sitting room!
—Jim __ it this morning; he couldn't bear the mess any more．
| A．has done | B．would do | C．had done | D．did |
Peterson used to work in a remote mountain village school, which is only on foot.
| A．reliable | B．accessible | C．available | D．convenient |
I would appreciate ______ very much if you help me with my English.
| A．it | B．that | C．this | D．you |
Only by practicing a lot _____ our English well enough to communicate with foreigners.
| A．we can learn | B．can we learn | C．learn we | D．we learn |