Do you know that some new types of energy _____ very little and never run out—Yes, I agree.

English has large vocabulary, hasn’t it?–Yes, _____ more words and expressions and you will find it easier to read and communicate

Jack goes online ________ three times a week.

Only when I left my parents for Italyhow much I loved them.

The English teacher added that having conversations ________ friends was not ________ at all.