I don’t think the risk they took ______ the poisonous snake is worthwhile.
We _______ dinner at six o’clock when JSTV _______ to show the film “If you are not the one”.
—This returned scholar has become one of the top experts in this field.—Yes, I know him very well. He ______ for ten years at an institute in the USA.A. has worked B. had worked C. worked D. has been working
“I took part in the TOEFL. It was really hard.” “Did you ______ a lot?”
You ______ television. Why not do something more active?
“I thought you might have got drunk.” “Yes, I ______.”