- I won't tell the student the answer to the math problem until he____ on it for more than an hour.[ ]A. has been worki...
- Now that she is out of a job, Lucy ____ going back to school, but she hasn't decided yet. [ ]A. had consideredB. has ...
- Excuse me, Marcia, a reporter from Vanity Fair ____ all day. Could you speak to her now?A. phonesB. has phonedC. has ...
- — Why do you want to work for our company?— This is the job that I ____ for. A. looked B. am to look C. had looked D....
- -Why,Jack,you look so tired !-Well,I ____ the house and I must finish the work tomorrow.[ ]A. was paintingB. will be ...
- 用所给动词的适当形式填空1. He _____(learn) English for 8 years.2.I'm so tired, I ____ ( drive) for eight hours withou...
- Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chi...
- In the past decades, sea ice ____ in the Arctic as a result of global warming.[ ]A. had meltedB. has been meltingC. m...
- Tom ________ in the library every night over the last three months.[ ]A.worksB.workedC.has been workingD.had bee...
- The development of China's economy ________ since the 80s of last century.[ ]A. has been acceleratingB. had accelerat...
- The company a rise in salary for ages but nothing has happened yet.[ ]A.has been promisingB.had promisedC.promisedD.p...
- -I'm sure Andrew will win the first prize in the final.-I think so. He________for it for months.[ ]A. is preparingB....
- — How long ______ like this?— For nearly a week.A. did it rainB. has it rainedC. does it rainD. has it been raining
- Cathy is taking notes of the grammatical rules in class at Sunshine School,where she _________English for a year.[ ]A...
- — I have got a headache.— No wonder. You ______ in front of that computer too long.[ ]A. workB. are workingC. have be...