We need friends to ________, or we will feel lonely（单选）—4分

_______________will not continue if an ongoing operation is changed or deletedA、

If people ________were very valuable they wont buy our stock

There __________ no time left, we had to change our plan.

9． —Do you want tea or coffee?—I really don-t mind_________ ．

Can we ______ another worker to help Jimmy or find another solution?

Intelligent animals change their behavior _____ the demands of the situation or environment.

______twice, the postman refused to deliver our letters unless we changed our dog

—We have to stop talking here. Listen, _____!—Hurry up, or we’ll be late.

—We have to stop talking here. Listen. _____!—Hurry up, or we’ll be late.

Do you want to change this lamp for__________or do you want your money back?