A survey of the opinions of experts    that three hours of outdoor exercise a week    good for one’s health. 
#85960
A
show; are
B
shows; is
C
show; is
D
shows; are
推荐题目
______ of the land in that district _______ covered with trees and grass. 
#85855
A
Two fifths; is
B
Two fifth; are
C
Two fifth; is
D
Two fifths ; are
The population of this city, 30% of which_______, ______ 10% in the last two years. 
#86017
A
are Chinese; has risen by
B
are China; has fallen by
C
is Chinese ; have increased
D
is China; have reduced by