Do you like playing ____ soccer or playing____ piano

You know a lot about Chinese history, don’t you–Yes, I ___________ China for a long time since 1998.

Only when he was refused by the interviewer ____ the importance of knowing English.

In spite of these unexpected difficulties, the Chinese scientists ________ to carry out their experiments on the lonely island.[ ]

There are ______ rules in my family, so what can I do