He wanted to make sure __________.
A. how we went there by bus
B. where did we go
C. what did we go there
D. when we went there
______ the Atlantic Ocean crosses the equator（赤道）, the trade winds cause a flow of water to the west.
A. That
B. When
C. Where
D. Though
— You can't finish the book in less than an hour,I suppose?— ______
A. Yes, I'm sure I can
B. No, hardly
C. Sorry, I can't
D. I don't think I can
— When will you leave for Paris for a visit?— ______ next month.
A. Until
B. After
C. At
D. In
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