“You can have some cakes, ______ you must wash your hands first.” Mum says.

Professor Tang didn’t give us a speechtoday．It washehad a traffic accident on the way to school．

You like watching TV.Which___________do you like best一The Voice of China.(中国好声音）.

Sue told me that she ______ shopping with her sister the next day.

He can swim very well, ______ he doesn’twant to join the club.