—Do you know ______ they got to know each other?
—It was last year ______ they both taught Chinese in the USA.
A. when it was that; that B. when it was that; when
C. when was it that; when D. when was it that; that
When you look at will have become a large tree, you will find a sense of satisfaction that you did your part to help solve the problem of climate change.
A. something; known B. which; to know
C. those; know D. what; knowing
I noticed that he was wearing shoes that did not match. He too hard to notice.
A. might be working B. can have worked
C. must have been working D. should have been worked
in music, according to the analysis of some traffic cases, is the main cause of many traffic accidents.
A. Drivers’ being absorbed B. Drivers’ absorbed
C. Drivers’ absorbing D. Drivers being absorbing
The new stadium under construction for the next Asian Games the present one is due to be completed in two months.
A. measured three times as big as B. measuring three times as big as
C. measured as big as three times D. measuring as three times big as
On the stage a number of famous singers, songs welcomed by the majority of young people.
A. is; their B. are; whose C. is; whose D. are; their
