How long ____you____TV? A: Had, been watching B: watching C: have--been watching D: been watching

It’s a shame _________ able to give them any advice. A: not to have been B: to have not been C: to have been not D: to not have been

The room is in a mess; it _____ cleaned. A: can’t have been B: shouldn’t have been C: mustn’t have been D: wouldn’t have been

The room is in a terrible mess; it （）cleaned. A: can’t have been B: shouldn’t have been C: mustn’t have been D: will have been waiting

复习课"They say you _____ me all morning.""Yes, I _____ you at least five times this morning." A: have telephoned,have been telephoning B: have been telephoning, have telephoned C: have been telephoned,have been telephoning D: have telephoned,have been telephoned

What crime have the two police officials in Argentina been convicted of(). A: They have been convicted of corruption. B: They have been convicted of baby abduction. C: They have been convicted of bribery. D: They have been convicted of military dictatorship.

You have been to India, ____________? A: haven't you B: have you C: have been you D: you have been

Thesales for beef have been flat in recent years. A: The sales have been increasing B: The sales have been satisfactory C: The sales have been slow D: The sales haven't been steady

This office is very dirty and in a mess; it ________ cleaned. A: can’t have been B: mustn’t have been C: wouldn’t have been D: shouldn’t have been

______ so many people put of work as today. A: Before have never there been B: There have been never before C: Never before have there been D: Have there never before been