Nobody knows _______broke into the house last night and stole the important papers.
| A．who was it that | B．it was who that | C．who it was that | D．that it was who |
It’s high time we＿＿＿＿＿＿＿ to the theater.
| A．will | B．shall | C．are going to | D．went |
He＿＿＿＿＿＿rather stay at home than go to the cinema with you.
| A．should | B．might | C．would | D．had better |
I＿＿＿＿＿＿often go fishing when I lived in the countryside.
| A．should | B．would | C．could | D．might |
Oh, Janne, you’ve broken another glass. You ought ＿＿＿＿when you washed it.
| A．be careful | B．to care | C．have cared | D．to have been careful |
Without electricity human life＿＿＿＿＿＿＿quite different today.
| A．is | B．will be | C．would have been | D．would be |