——Catherine, I have cleaned the room for you.
——Thanks, You it. I could manage it myself.
| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done. |
Because prices of food and clothing and almost everything else in that country have steadily gone up, the buying of the dollar has gone down.
| A．energy | B．force | C．power | D．strength |
——What’ s the matter?
—— The shoes don’ t fit properly.They＿＿＿＿my feet.
| A．are hurting | B．will hurt |
| C．have hurt | D．are hurt |
In this experiment, they are woken up several times during the night, and asked to report what they＿＿＿＿.
| A．had just been dreaming | B．are just dreaming |
| C．have just been dreaming | D．had just dreamt |
.When he was alive, the old scientist used to say that knowledge ＿＿＿＿from practice and he gained his experience by doing a lot of practical work.
| A．was coming | B．had come |
| C．comes | D．would come |
.She ＿＿＿＿＿ to the office than she got down to writing the report.
| A．has no sooner got | B．had hardly got |
| C．no sooner got | D．had no sooner got |