We should read more good books because they can ______our eyes．

The cinema in our neighborhood is old and small, but ________ is big and modern.

I called you yesterday evening, but there was no answer. —– Oh, I’m sorry. I _____ dinner at a restaurant at that time.

Bicycling is a good exercise;________ it does not pollute the air.

Did Linda have a good time in Beijing?——Yes．She enjoyed__________very much．