- The little boy is dirty from head to foot because he ____ in the mud all morning.A. has playedB. is playingC. has bee...
- — Why, Jack, you look so tired!— Well, I _____ the house and I must finish the work tomorrow.[ ]A. was paintingB. wil...
- Someone ____ my umbrella! It is all wet. And it was wet yesterday and the day before yesterday.[ ]A. has usedB. has b...
- — Why are you so late? I _____ for more than an hour.— I'm terribly sorry. I overslept and missed the bus.A. am waiti...
- The CCTV Spring Festival Gala Evening _____ annually since 1983.[ ]A. was runB. is runningC. had been runD. has been ...
- — Mum, I've got a headache.— You _____ long, dear. Go out and take a break.[ ]A. had readB. have been readingC. are r...
- Traffic conditions in Beijing _____ for decades. At first people only complained about jams during rush hours,but tod...
- — Sir, I'm here.— Please listen. I _____ asking your parents to come to our school, but I'd like to hear your opinion...
- The prices _____ up all the time and no one knows when it will become stable.[ ]A. had goneB. have been goingC. have ...
- — Allan looks tired out.— Sure. He _______ in the gym for two hours.[ ]A. works outB. had worked outC. has been worki...
- The prices _________ up all the time and no one knows when it will become stable.[ ]A. had goneB. have been goingC. h...
- Over the past decades, sea ice _______ in the Arctic as a result of global warming.[ ]A. had decreasedB. decreasedC. ...
- I __________ glasses since I was in primary school and I hate them. They make me looklike a bookworm.[ ]A. have wornB...
- — What's the price of petrol these days ?— It _______ frequently since last year .[ ]A. is arisenB. increasedC. has b...
- They ____ on this project for l 4 hours, but it’s so difficult to persuade them to have a rest.[ ]A. had workedB. hav...