根据释义选择单词

用下面方框中单词的适当形式填空。

When you finish you work you can go home and ________ yourself.

用下面方框中单词的适当形式填空。

Sometimes it's not bad for the children to have ________ parents.

用下面方框中单词的适当形式填空。

The place where you ________ is called your hometown.

用下面方框中单词的适当形式填空。

Little Alex always plays jokes on people, he is very ________.

用下面方框中单词的适当形式填空。

The dog behind the fence was looking at us ________.

选词填空。

David's family was wondering whether there ________ (are/were) anything that they can do.

选词填空。

One hundred years ________ (was/were) not a short time in history centuries ago, neither ________ (is/are) now.

选词填空。

When we ________ (are/were) in the primary school, none of us ________ (was/were) in the school football team.

选词填空。

More than 80% of the surface of the earth ________ (was/were) covered with water, while now there ________ (is/are) only 70%.