Last month, the Japanese government expressed their thanks for the air they_______ from China

When will your father be backhome— ____ twelve o’clock.

Our teachers gave us some ______ on how to study well.

What should we do for the disabled children in the Children’s Home一You’re supposed to a study group to help them.

The newly-invented cell-phones emit large amounts of radiation. This is why they ________ disapproval from experts as soon as they are on sale.