- The secretary________letters all the afternoon and there are still two letters to finish.[ ]A. is typingB. had typeC....
- __Waiter,what about my food?I________for over 30 minutes.__Oh,sorry,sir.Just one more minute,please.[ ]A.have waited...
- —Did you find the missing couple in the mountain yesterday?—No,but we _____ to get in touch with them ever since.[ ]A...
- The secretary________letters all the afternoon and there are still two letters to finish.[ ]A. is typingB. had typeC....
- —When is Jack going to finish writing that program?—I don't know ______ day in and day out.[ ]A. He has been workingB...
- —Waiter, what about my food?I________for over 30 minutes.—Oh, sorry, sir.Just one more minute, please.[ ]A. have wait...
- —I have got a headache.—No wonder. You ________ in front of that computer too long.[ ]A. workB. are workingC. workedD...
- By the time you arrive in London, we in Europe for two weeks.[ ]A. shall stayB. have stayedC. will have stayedD. have...
- Police are now searching for a woman who is reported to ________ since the flood hit the area lastFriday.[ ]A.have b...
- Mike his wedding for a whole month and hopefully everything will be ready tomorrow.[ ]A. preparesB. is preparingC. ha...
- I_____ violin lessons every two weeks, but I think I'll make it every week from next month.[ ]A. am havingB. have had...
- Look at the sweat on her face.She________the house since she got up this morning.[ ]A. is cleaningB. has been cleaned...
- — I wonder if you could go with me to the supermarket.— Don't disturb me. I _______ my experiment report all the morn...
- Tom ________ in the library every night over the last three months.[ ]A. worksB. workedC. has been workingD. had been...
- We ________ on this project for four hours. Let's have a rest.[ ]A. are workingB. have been workingC. workedD. had wo...