9.We must ___________ about our work or we’ll fall behind th
We must work hard,or we'll( )
we must ().or our plan will fail
As students we must work hard our lessons.We
we must finish our work now.(改为一般疑问句) ()we()our work now?
Work hard,or you'll fall behind others.(改为含if引导的条件状语从句的复合句)
We must ( )(work)hard.
we must work hard to i____ our teacher
Must we finish our work today?改被动
Must we finish our home work tonight?------No,you__________.
we must care about our parents w_______ question.
we've run out of petrol or gas,we'll never be in time for th
We must study hard,so/but/and/or we'll fail in the exam.