【題目】—Tom isn't feeling very well.
—He seems to have a cold _________ the weather changes suddenly.
A.before
B.so
C.because
D.though

A. so; so B. such; such

C. so; such D. such; so

【題目】Pollution is a serious ___________ in China . PM2.5 has been increasing in recent years.
A.wrong
B.question
C.problem
D.matter

【題目】Ann is _____ honest girl and she never tells lies.
A.an
B.a
C.the
D./

【題目】If you have any problems, you can ask Dr. Know-all _________ help.
A.at
B.on
C.for
D.with

【題目】—How was your trip to Hangzhou, Jim?
—Great! We _________ to Xixi National Wetland Park.
A.go
B.am going
C.will go
D.went

—______, please. I’ll see if he is in his office.

A. Come on B. Turn on

C. Hold on D. Go on

A. No, he isn’t B. Yes, he is C. Yes, he’s D. No, he doesn't

【題目】—Great changes have taken place _____ we enter E-Times.
—Yeah. I agree with you.
A.since
B.as soon as
C.when
D.before