I think the door is locked,but I'll just go and___.

A.make sure
B.make sure of
C.be sure to
D.make sure to

i think the work easy to do The more I think,the more scared I feel.还是The more I think,the more I feel scared .正确 I think 。。。 I think the homework will ? us about two hours. i don't think the film is interesting I think the pen is mine . please give ( ). I think the American people have isolated a very important I think the old should be spoken to _____(polite) But I think there are something wrong with the sky ___,I think ,and the problems could be settled