You must have your luggage ____ first before you board the a
You must have your luggage ____ first before you board the a
you must ____(knock)on the door before you enter
4.First,follow your dream.You must have a direction for your
First you must ____ ____(穿过)the bridge.
Now let's play a game First you must keep your eyes ____
You must have your bike ----before I come for it.A.repaired
1、you __ finish your homework first.A、must B、have C、had D、ha
You must first be finished before lunch.
All the computers must be ____ down before you leave.
you must restart your computer before the new settings will
you must restart your computer before proceeding with the in
You must restart your computer before proceeding with the rs