The book I borrowed from the library isn’t here. Who __________?
| A．could have taken it | B．must have taken it |
| C．might take it | D．should take it. |
—Where do you think＿＿he＿＿the computer?
— Sorry. I have no idea.
| A．has ； bought | B．／； bought | C．did ； buy | D．had ； bought |
I know Mr. Brown；we ＿＿ to each other at an international conference.
| A．are introduced | B．have been introduced |
| C．were introduced | D．had been introduced |
— You haven’t said a word about my new coat, Brenda. Do you like it?
— I’ m sorry I ＿＿ anything about it sooner. I certainly think it’s pretty on you.
| A．wasn’t saying | B．don’t say | C．won’t say | D．didn’t say |
I’ve won a holiday for two to Florida. I ＿＿ my mum.
| A．take | B．am taking | C．have taken | D．will have taken |
I ＿＿ ping-pong quite well, but I haven’t had time to play since the new year.
| A．will play | B．have played | C．played | D．play |