You'd better that there is a train at 8:30 a. m..A.be sureB.make sure ofC.make s
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You'd better ________ that there is a train at 8:30 a. m..
A.be sure
B.make sure of
C.make sure
D.find
试题答案
C
题意：你最好弄清楚在8∶30有一趟列车。make sure that...弄清楚……；确保/确定……，符合题意。