Jimmy didn’t notice his head teacher entering his bed room. He _____a phone call.
| A．answered | B．has answered | C．was answering | D．is answering |
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
| A．that | B．as | C．so that | D．which |
_____ all the inventions have in common is ______ they have succeeded.
| A．What； what | B．That； what |
| C．What； that | D．That； that |
-What shall we have for dinner tonight?
-Oh，I don’t care. ____. It’s your job to come up with the menu，so get on with it.
| A．Anything will do |
| B．I won’t have lessons tomorrow |
| C．I needn’t to talk about it with someone |
| D．What a nice meal |
Mr. Green left _________ suddenly _________ he came.
| A．so； that | B．so； as | C．as； that | D．as； as |
Why are you always making the same mistake? Think of _____ I told you.
| A．that | B．when | C．how | D．what |