My pain _____ obvious the moment I entered the office,for the first man I met asked pitifully,“Are you feeling all right?” 
#104459
A
could be
B
could have been
C
must be
D
must have been
推荐题目
—The window is dirty.—I know. It ______ for weeks.
#102943
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
—What were you doing when the telephone rang?—I ______ away my books and ______ to bed.
#101637
A
had just put;was going
B
was just putting;went
C
just put;had gone
D
have just put;gone
He gave us advice that this work ________.
#99563
A
should cancel
B
would be cancelled
C
not be cancelled
D
should not cancel