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Scarcely I had walked in the door Scarcely had I walked in the door I had walked scarcely in the door I had walked in the door scarcely
can; must can; may must; can may; must
make sure if; was closed make sure that; was locked found out it; was shut find out that; was open
was locked is locked will be locked should be locked
Make sure Making sure To make sure Makes sure
B.C.D.四个选项中选出可以填入空白处的最佳选项。 Please ______ that you lock the door when you go out. A. make sure make aware take notice take notes
make up make sure make for make of
make sure make aware take notice take notes
to close closing closed close
had belonged to belonging to belongs to is belonged to
was locked is locked will be locked should be locked
can; may may; can may; must need; should