---Alice, you look puzzled, Have you understood it?---No．I _____another problem just now．
#101781
A
l have thought of
B
am thinking of
C
had thought of
D
was thinking of
推荐题目
No decision____ about any future appointment until all the candidates have been interviewed.
#103411
A
will be made
B
is made
C
is being made
D
has been made
I ______ to send him a gift to congratulate him on his marriage, but I _____ it.
#100210
A
hoped; hadn’t managed
B
hoped; didn’t manage
C
hope; don’t manage
D
had hoped; didn’t manage
-Car 17 won the race.- Yes ,but its driver came close to ________.
#103767
A
having been killed
B
have been killed
C
be killed
D
being killed
Do you know when the Great Wall _________?
#101773
A
was come into being
B
came into being
C
had come into being
D
had been come into being
After the class，the students went out of the classroom one by one, but only Mary______.
#104330
A
left
B
hadleft
C
wasleaving
D
wasleft