This kind of exercise is most _______, and therefore is a good test of your students’ ability.
#19644
A
surprising
B
encouraging
C
exciting
D
challenging
推荐题目
The patient is supposed to go to the hospital for ___________ checks.
#19626
A
common
B
normal
C
regular
D
usual
The reason why this kind of machine is popular with users is that it will work in ______ temperature.
#18318
A
official
B
extreme
C
common
D
natural
Last Sunday his brother picked up _____ umbrella.
#19470
A
a Chinese heavy black steel
B
a Chinese black heavy steel
C
a black heavy Chinese steel
D
a heavy black Chinese steel
The food she has prepared for the party is not enough, for there are ______ people than she expected．
#17876
A
so many
B
fewer
C
many more
D
much more
I have no desire other than to lead a quiet life, ______ from anxiety.
#19706
A
absent
B
separate
C
free
D
short