-----I wonder if you could go with me to the supermarket. ------- Don’t disturb me. I _____________my experiment report all the morning and haven’t finished yet.
#102344
A
write
B
was writing
C
have written
D
have been writting
推荐题目
I don’t understand how you got a ticket. I always ________ you ________ a careful driver. 
#104767
A
think; are
B
am thinking; are
C
thought; were
D
think; were
----Have they finished the project?---- Yes. By the end of last month, they ______ it. Now they ______ on a new one.
#101490
A
had finished; are working
B
had finished; work
C
have finished; are working
D
have finished; work