Only when the meeting was over ______ go back to meet his friend.
A. he could B. he was able to
C. was he able to D. was able to he
His family ______ very big and all of his family ______ music.
A. are; love B. are; loves
C. is; love D. is; loves
Hit by a hammer, my foot became ______.
A. three times bigger than
B. as big as three times
C. the normal size three times
D. three times the normal size
--- What else do you want to know about the cell phone?
--- _______ it can be used as a digital camera. You know, I’m into photography.
A. Whether B. What C. That D. How
The old man stood there with his eyes ______ on the picture.
A. to focus B. focusing C. focused D. focus
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
A. of; at B. by; in C. of; on D. on; at
