_____ the environment is important for human beings.
| A．Take care of | B．Taking care of |
| C．Took care of | D．Take the care of |
Do you know the teacher who is having an English lesson.
| A．that | B．whom | C．which | D．whose |
Let’s buy some more books this afternoon.
| A．other books | B．another some books |
| C．many books | D．some another books |
—Would you please pass me the sugar?
— ____. Here you are.
| A．Sure | B．Nothing much | C．Thanks a lot | D．Sorry |
In our school library there ____ a number of books on science and the number of them ____ growing larger and larger.
| A．is; are | B．are; is | C．is; is | D．are; are |
It’s said that Armstrong sent a message to Mission Control _____ said that two huge, strange objects landed near them and were watching them.
| A．who | B．which | C．whom | D．whose |