If you don’t go to visit our former teacher, ________ I.

A nation can never isolate and it must ___________ with other nations for its development.

Would you like soccer with us-Sure. I like soccer very much.

Some of the students have already learnedenough English to _____a conversation with an English speaker.

晚饭后，你散步时遇到你的一个朋友，你应说_________ 来打招呼。