— Look at the boy playing basketball on the ground. Is it George?— It ________ be him. He told me he would play basketball after class, but he’s not sure.
#75386
A
mustn’t
B
must
C
can’t
D
may
推荐题目
—Why are your eyes so red? You _______ have slept well last night.—Yeah, I stayed up late writing a report.
#62856
A
can’t
B
mustn’t
C
needn’t
D
won’t
—A shy boy like John ________ give up a secure job and start his own business!—Yes，nobody had expected that.
#62482
A
would
B
should
C
might
D
could
—_____ you please play tennis with me? —Sorry, I _____.
#74769
A
Could; can’t
B
Could; couldn’t
C
Can; don’t
D
Can; couldn’t