The wild animals are in danger now． Let's protect ．（ ）
| A． |
they |
B． |
them |
C． |
their |
D． |
theirs |
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 |
Jack may fall behind the other students in his class when he _________ back from England next week.
| A．will come | B．will go |
| C．goes | D．comes |
Lily ________ other colours ________ blue, green and yellow.
| A．likes; like | B．like; like |
| C．likes; likes | D．like; likes |
He will send me a message as soon as he _________ in London.
| A．arrived | B．arrives |
| C．will arrive | D．is arriving |
Nobody ______her because she has a new look.
| A．know | B．knew |
| C．knows | D．knowing |