"Haven’t you been to London" "______ been there." A: Yes, I haven’t B: No, I haven’t C: No, I have D: Yes, I hadn’t

We ________ the problem for quite some time, but we ________ any conclusion yet. A: have been discussing; haven’t reached B: have discussed; haven’t been reaching C: discussed; haven’t reached D: had discussed; haven’t reached

Inthe1950sintheUSA,mostfamilieshadjustonephoneathome,andwirelessphones_____yet. A: haven’tinvented B: haven’tbeeninvented C: hadn’tinvented D: hadn’tbeeninvented

—You haven’t been to Beijing, have you?—______________. How I wish to go there! A: Yes, I have B: Yes, I haven’t C: No, I have D: No, I haven’t

The signs haven't had any effect. They haven't ______ anyone. A: affected B: effected C: resulted in D: imposed

You haven't had your dinner yet ………. you? A: are B: aren't C: have D: haven't

—How are you today?—Oh, I ________ as ill as I do now for a very long time. A: A．didn’t feel B: B．wasn’t feeling C: C．don’t feel D: D．haven’t felt

I ______ them in the past few years. A: has met B: met C: haven’t met D: haven’t been met

It is (raining hard) outside. (Haven' t) you (taken) an umbrella (with you) A: raining hard B: Haven' t C: taken D: with you

Could you tell me something what I haven’t known（） A: Could B: tell C: what D: haven’t