The earth will be more and more beautiful if everyone his best to love it.
| A．try | B．tries |
| C．will try | D．has tried |
I've just returned from my trip to London．I many interesting places there．（ ）
| A． |
visit |
B． |
will visit |
| C． |
am visiting |
D． |
visited |
Do you have any for tonight yet？
Not yet．What about having a picnic on the beach？（ ）
| A． |
problems |
B． |
news |
C． |
plans |
D． |
rules |
Sleeping is a good thing，but some people sleep ．（ ）
| A． |
easily |
B． |
badly |
C． |
quickly |
D． |
well |
We must get back to work， we won't finish everything．（ ）
| A． |
and |
B． |
but |
C． |
so |
D． |
or |
Nobody knows if he ．If he here，I'll call you at once．（ ）
| A． |
will come；will arrive |
| B． |
will come；arrives |
| C． |
comes；will arrive |
| D． |
comes；arrives |