Everyone _____ do his best for the modernizations of our country.
#90128
A
can
B
may
C
should
D
might
推荐题目
_______ there yesterday, I could have asked him not to do so．
#87615
A
If I were
B
If I was
C
Had I been
D
Was I
——— Alice looks sad. Did you tell her about the accident? ——— Yes， but I ________ her just before her final exams.
#90414
A
shouldn’t tell
B
shouldn’t have told
C
needn’t tell
D
mustn’t have told
If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted