It is strongly ______ that the machines should be checked every year.

Japan is ____ the east of China, while India is ____ the west of China

When people talk about the famous scenic spot in China, the first _________ comes into mind is the Great Wall.

Every student is required to watch the teacher carefully before ___ the chemistry experiment.

Was it _________ she said orsomething that she did ___________ you were angry at so much