He____25 yuan buying this new book yesterday afternoon.

Kids, help ______ to some apples, please. — Thank you very much.

Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet? —Of course, I know. It’s impossible for me to buy_____ there.

Tom helped the teacher to hand out the test papers, didn’t he ?

Mr Wang has worked as _______ English teacher for more than 10 years.