--- I ______ so busily recently that I ______ no time to help you with your math. --- That’s OK. I can manage it by myself.
#104279
A
have been working; have
B
have worked; had
C
am working; will have
D
had been working; had had
推荐题目
I ______ all day and I haven’t a penny left.
#103821
A
had shopped
B
am shopping
C
have shopped
D
have been shopping
Many facts proved that long before Columbus ________ America, Chinese had visited it.
#103829
A
noticed
B
uncovered
C
discovered
D
arrived
His parents are very concerned about his son at school because he _______moving in his seat.
#103160
A
is always keeping
B
always keeps
C
does keep
D
has always kept
Hurry up! Switch over to Channel 8. The TV series __________ immediately.
#99817
A
is shown
B
will be shown
C
was shown
D
is being shown