29.—The zookeeper was really annoyed with me.
— How could he have been if you _______ stones at the animals?
A.didn’t throw
B.don’t throw
C.hadn’t thrown
D.haven’t thrown
30.Every Monday, my English teacher would cheerfully ask me _______ my weekend had been.
A.that
B.if
C.what
D.how
31.With doubts _______ through my mind, I felt it necessary to carry out a research.
A.to run
B.run
C.running
D.having run
32.—You seem busy these days.
—Yes.I’m writing a story.You know, it’s really not easy to write _______ with attractive plots.
A.this
B.one
C.it
D.that
33.According to the latest BBC news, a five-year-old boy from England _______ the youngest computer specialist in the world.
A.became
B.becomes
C.had become
D.has become
34.The glorious moment would live in my mind ________ our football team won the championship.
A.when
B.where
C.that
D.which
35.—Tom, why don’t we help our son work on his papers?
—We’ve already done more than we ________.He is on his own this time.
A.would
B.should
C.could
D.might
http://meiwen.anslib.com/