We should do everything we can the environment .
A. to protect B. protect C. protecting
My cousin ____ the chance of working abroad and returned to his hometown.
| A．gave away | B．gave out | C．gave back | D．gave up |
– A number of students ________ in the dining hall.
-- Let me count. The number of the students ________ about 400.
| A．are, is | B．is, are | C．are, are | D．is, is |
--- I won’t have time to go shopping with you this afternoon.
--- But you ______ me yesterday.
| A．ordered | B．mentioned | C．promised | D．knew |
Now the water in the river has ____ and we should ____ money to repair the broken bridge.
| A．raised, rise | B．risen, raise |
| C．rose, raise | D．risen, rise |
Yesterday he was walking _____ the police station when a plane flew _____ his head.
| A．past; through | B．across; over |
| C．past; over | D．through; across |