My aunt and uncle usually bring some gifts ______ me when they come to visit.[ ]

I think you should spend as much time as you can_____ Maths and English.

If we ________ adequate preparations, the conference wouldn’t have been so successful.[ ]

I have to go to work by taxi because my car __________ at the garage.[ ]

At the Sydney Olympics, ______ Chinese people hoped she would win China’s first gold medal.