—I wonder if you could go with me to the supermarket.—Sorry. I _______ my experiment report all the morning and haven’t finished yet.
#101229
A
write
B
was writing
C
have written
D
have been writing
推荐题目
—Have you thought of the topic for the composition?— Not yet．I _____ it very carefully, but I haven’t decided．
#103989
A
will consider
B
have been considering
C
had considered
D
was considering
The book has been translated into thirty laguages since it ____ on the market in 1973.
#101181
A
has come
B
comes
C
had come
D
came
Recently, I ___ my first horse ride in Lijiang, Yunnan Province __ I paid a visit to many local attractions
#101627
A
have had ; before
B
had ;when
C
had had; in which
D
was having; which
―Twenty dollars, please!― How terrible!―I ________ to bring my wallet with me.
#104499
A
was forgetting
B
forgot
C
had forgotten
D
am forgetting
We at the airport; otherwise we would have arrived home by lunch time.
#99372
A
had delayed
B
were delayed
C
had been delayed
D
have delayed