My sister isn’t in. ________ she comes back, I’ll let her call you back.

Her father went to the clothes shop to buy a _________ jacket for her on her birthday.

Excuse me, but could you please turn the radio down?——Sorry, I _________ you could hear it.

According to the new traffic laws, people ______ drive after drinking wine or beer.

It is said that _____ of the students like to help their parents with the housework