Not everyone has realized what_______ important part the balance of________ nature plays in their life.
#18673
A
an；the
B
/；the
C
an；/
D
the；/
推荐题目
---Did you have a sound sleep last night? --- Yes, never slept ________.
#18714
A
better
B
best
C
badly
D
worse
Bob and Tom have nothing in ______ at all . How can they be good friends ?
#19649
A
total
B
common
C
similar
D
particular
She has already tried her best. Please don’t be _____ about her job.
#18656
A
special
B
responsible
C
uncertain
D
particular
Experts warn that global warming will cause climate changes, including more ______ floods, heat waves and droughts.
#18221
A
frequent
B
usual
C
ordinary
D
common
—That was a question, How did you get it right?—I just tried my luck
#18332
A
tight
B
tough
C
rough
D
direct