–Would you mind _________ your voice down? We are doing our homework.
–Sorry for that.
| A．keep | B．keeping | C．to keep | D．kept |
I spend much money on books _____ I am not rich.
| A．but | B．so | C．even though | D．as if |
—What a nice classroom!
—It _____ every day.
| A．is cleaning | B．has cleaned | C．must clean | D．is cleaned |
I don’t knowwith this problem．It’s too hard．
| A．which to do | B．when to do | C．what to deal | D．how to deal |
My mother is working sothat she can have any time for me．
| A．hard, hard | B．hardly, hardly | C．hardly; hard | D．hard, hardly |
I think goodEnglish every morning．
| A．that, keep reading | B．it’s, keep reading |
| C．that, to keep read | D．it, to keep reading |