Three fourths of the surface of the earth ______ covered with water.
| A．are | B．is | C．will be | D．was |
--Is Jim at school today? -- No, he's at home ______ he has a bad cold.
| A．because | B．if | C．though | D．until |
_________ picture books in class, please.
| A．Not read | B．No read | C．Not reading | D．Don't read |
________ wonderful music it is! I like it very much.
| A．What | B．How a | C．What a | D．How |
-- You seem to like sweets. --________ ,I buy sweets every week.
| A．So do I | B．So I do | C．So am I | D．So I am |
She thinks she can get there on time, ________ she?
| A．can | B．doesn't | C．can't | D．does |