Music treatment involves a specialist playing an instrument or singing _______ the patient’s mood.
A.by means of
B.on behalf of
C.on account of
D.in response to
--- I called you last night, but no one answered.
--- Sorry, I _______ sleeping.
A.must have been
B.would have been
C.must be
D.could be
The tea-picking opera _____ developed from the tea-growing regions in Jiangxi where the tea pickers would sing songs while working.
A.luckily B.skillfully C.originally D.rapidly
It was the middle of the night _______ the sound of the piano woke me up.
A.because
B.if
C.that
D.when
Dennis turned up at the hospital ________ gifts for the new mother Lindsey and her baby, who appreciated his visit and good will.
A.bearing
B.collecting
C.opening
D.making
What difficulty _____you have ______the problem?
A. you think; solving B. do you think; to solve
C. do you think; solving D. you think; to solve