When he saw all his books _____ here and there on the floor, he knew that something terrible _____. 
#88903
A
lying; must have happened
B
lie; must happen
C
lay; might have happened
D
had lain; could have happen
推荐题目
—Don’t forget to take the message to my teacher.—_____.
#90151
A
Yes, I will
B
No, I won’t
C
I don’t’ think so
D
Sorry, I don’t
____ you change your mind,please let me know.
#87606
A
Would
B
Should
C
Must
D
Might
He_______have been here two hours ago, but he hasn’t_______by now.
#88191
A
might; turned to
B
should; turned up
C
could; turned in
D
must; turned on
You____________ this morning if you really wanted to see it yourself.
#89998
A
ought to come
B
mostly
C
almost
D
possibly