---You look a bit worried .
----It’s raining , but I ________my umbrella at home .
| A．took | B．brought |
| C．left | D．forgot |
－ _________ do you like pandas?
－ Because they are very cute.
A. Which B. Where C. Why
I’m _______. Give me something to eat.
A. thirsty B. hungry C. tired
Don’t watch TV. You _______ do your homework first.
A. mustn’t B. needn’t C. must
She _________ some cards at this time yesterday.
A. is making B. was making C. were making
Rainforests are becoming ________ , so we should protect them.
A. smaller and smaller
B. bigger and bigger
C. larger and larger