31Recently a survey（）prices of the same goods in two different supermarkets has caused heated debate among citizens.
A.compared
B.comparing
C.compares
D.being compared
开始考试练习点击查看答案32The next thing he saw was smoke（）from behind the house.
A.rose
B.rising
C.to rise
D.risen
开始考试练习点击查看答案33The island,（）to the mainland by a bridge, is easy to go to.
A.joining
B.to join
C.joined
D.having joined
开始考试练习点击查看答案34Tom asked the candy makers if they could make the chocolate easier（）into small pieces.
A.break
B.breaking
C.broken
D.to break
开始考试练习点击查看答案35Tsinghua University,（）in 1911, is home to a great number of outstanding figures.
A.found
B.founding
C.founded
D.to be founded
开始考试练习点击查看答案36The difference in thickness and weight from the earlier version makes the iPad 2 more comfortable
A.held
B.holding
C.be held
D.to hold
开始考试练习点击查看答案37——Pity you missed the lecture on nuclear pollution.——I（）it,but I was busy preparing for a job interview.
A.attended
B.have attended
C.would attend
D.would have attended
开始考试练习点击查看答案38I（）through that bitter period without generous help.
A.couldn't have gone
B.didn't go
C.wouldn't go
D.hadn't gone
开始考试练习点击查看答案39——Where are the children? The diner's going to be completely ruined.——I wish they（）always late.
A.weren't
B.hadn't been
C.wouldn't he
D.wouldn't have been
开始考试练习点击查看答案40I have told you the truth（）I keep repeating it?
A.Must
B.Can
C.May
D.Will
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