My American friend Sam is interested in Yangzhou very much. He wonders _______.
A. that Yangzhou was very rich in the ancient times
B. who built Ge Garden and He Garden
C. when was the Wenchang Pavilion built
D. what is the City Flower of Yangzhou
It is said that the gravity on Mars is only about __________ of the gravity on earth.
A. three-eighthsB. third-eighth
C. three-eighthD. third-eighth
While Helen _____ along the river after supper, she ____ a wallet lying on the roadside.
A. was walking; was finding B. walked; found
B. walked; was finding D. was walking; found
I stopped the car ____ a short break as I was feeling tired.
A. takeB. taking C. taken D. to take
______ the students were when they heard the rock music!
A. How excited B. How exciting
C. What excited D. What exciting
______ you keep trying till the end, you will never know how strong you are!
A. Although B. If
C. Unless D. Because