when you leave the room,make sure the door _____.A.was locked B.is locked C.will be locked D.should be lucked

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when you leave the room,make sure the door _____.A.was locked B.is locked C.will be locked D.should be lucked

when you leave the room,make sure the door _____.A.was locked B.is locked C.will be locked D.should be lucked
when you leave the room,make sure the door _____.
A.was locked B.is locked C.will be locked D.should be lucked

when you leave the room,make sure the door _____.A.was locked B.is locked C.will be locked D.should be lucked
B
排除:
A时态不对
C感觉不对
D语气强烈不对

B

B is locked
make sure 后加一般现在时

被动语态,状语从句用一般现在时,主句一般用一般将来时
选择C

A

这个是将要发生的动作,故A不行, 要用B,用一般现在时表现将来