Tony, would you go and see if Sam has anydifficulty __________ his tape recorder

A good rest between classes______ recover brain power to its best and make us perform better in class later.

ived a call one morning from a lady, but shephoned________, as she kept asking to speak to someone else who I didn’tknow at all.

It really seemed ages ______ the police came on the scene and cleared away the damaged cars[ ]

The International Maths Summer Camp was held in Wuhan,____ the top students in maths from all over the world.