At Spring Festival we often______ “Happy New Year” to each other.

Jeff goes to work ____ and his wife(妻子) goes to work _____.

We couldn't see the road clearly               the heavy snow.

 — David, why are you so excited?—My father has made a _________ that he will take me to Tibet next month.

Sally often helps me study English. And I help her study Chinese. We help _____.