When can we use this lift —Not until it____________ next week.

find yourself ______ no one will help you,please call me.

Three problems are too hardto . Will you give me some advice? —-There are many ways. Themostt important is to have a careful plan.

_____ Dasan is from Canada, he can speak Chinese very well.— I know he studies Chinese hard.

下列各句中，加横线的词语运用不正确的一项是（ ）