He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
#90144
A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to
推荐题目
It ____ last night, for the ground is wet now.
#88954
A
might not have rained
B
must have rained
C
couldn't have rained
D
rained
(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.
#86520
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted