I’ m tired out. I ______ all afternoon and I don’t seem to have finished anything.
#99393
A
shopped
B
have shopped
C
had shopped
D
have been shopping
推荐题目
Jack doesn’t smoke now, but he ______________ for almost twenty years.
#101839
A
was smoking
B
smoked
C
has smoked
D
had smoked
I don't know when he ___. But when he ___ back, I’ll let you know.
#103935
A
comes ; will come
B
will come; comes
C
comes;comes
D
will come; will come