---- Tony, you look puzzled. Have you understood me ?    ---- I’m sorry. I _____ another problem just now.
#99765
A
thought of
B
am thinking of
C
had thought of
D
was thinking of
推荐题目
The harder you ________, the better progress you ________.
#101145
A
will work; will make
B
work; have made
C
work; will make
D
will work; make
—The food here is nice enough.—My friend________me a right place.
#99199
A
introduces
B
introduced
C
had introduced
D
was introducing