W: Why don’t you go into the room M: Oh, my key won’t turn in the lock. Will you help me
A.She can’t unlock the door. B.She has lost the key. C.She wants to wait till the man comes.
单项选择题40().
A.clear B.clearly C.troublesome D.easy
单项选择题The aim of the voyages Maury was responsible for in the 1840s was to ______