With many cities in China dreadfully blanketed by thick haze, the environmental problem is _____ Chinese people concern most nowadays.
A. what B. which C. where D. when
According to scientists, our mental abilities begin to _____ from the age of 27 after reaching the highest level at 22.
A．differB．shrinkC．failD．decline
Smiles around the world _____ be false, _______ other feelings like anger, fear or worry.
A．must; hideB．shall; hiding
C. may; hideD．can; hiding
The doctor tried to laugh my brother _____ his fears about the coming operation.
A. from B. against C. off D. Into
---Why are you so crazy about music?
--- Because I can always find in music _____ peace that is missing in _____ world full of challenges.
A. the; a B. the;/ C. /; a D. /; the
---I’m planning to go to Kingdom of Cambodia this summer vacation. I think the trip will be exciting.
---___________, as it’s the rainy season then.
A. Yes, it will B. Of course not
C. You can say so D. It’s hard to say
