The earth， the only home of ， is now in danger． Everyone in the world should play a role in saving it．（ ）
A．yoursB．hersC．hisD．ours
Where is your mother， Tom？
She ______ the flowers in the garden．（ ）
| A． |
waters |
B． |
is watering |
| C． |
watered |
D． |
has watered |
Must I stay here？
No， you______． You may go home．（ ）
| A． |
mustn't |
B． |
have to |
C． |
needn't |
D． |
shouldn't |
Since you are _______ danger，why not ask______ help？（ ）
| A． |
in； for |
B． |
in； to |
C． |
with； for |
D． |
with； to |
What's your favorite film？
The Martin． It______ shows a lot of imagination，_______ has a sense of humor．（ ）
| A． |
too； to |
B． |
neither； nor |
| C． |
either； or |
D． |
not only； but also |
Teachers' Day is _______ September 10， and the Spring Festival is usually_______ February．（ ）
| A． |
in； on |
B． |
in； in |
C． |
on； in |
D． |
in； at |