-Tom has a lot of parties recently.
- Yes, that may ________ why he didn’t do well in the test.
A．sum up B．add up to
C．account for D．make sense of
The teacher asked us to read the text________ second time to find________ topic of the text.
A． a; the B．a; a C．the; the D．the; /
It was the order that all the soldiers ________to the front.
A．should send B．must be sent
C．be sent D．must go
It was ________he said ________interested me.
A．what; that B．that; that
C．what; what D．that; what
Sometimes advertisements make________ possible for companies to sell the customers________ money cannot buy..
A． /; that B．it; what C．that; which D．/; whose
Go and get your coat. It’s ________ you left it.
A．where B．there C．there where D．where there
