Why did they keep trying _________ they must have known it was hopeless?
| A．if | B．because | C．when | D．whether |
The teacher asked me ________ I needed any help.
| A．whether | B．that | C．what | D．which |
-- You are not going out today, are you? --_______ I want to go shopping.
| A．Yes, I'm | B．No, I'm not | C．Yes, I am | D．No, I am |
--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 |