— How did you catch the thief?— Well, he ________ some goods into his bag when I came around a corner in the shop. So I caught him.
#100476
A
was putting
B
was put
C
have put
D
had put
推荐题目
---- You haven’t got the textbook for my chemistry course yet. ---- I know, and we _____ to get it for the last 5 weeks.
#104715
A
will have been trying
B
have been trying
C
will be trying
D
had tried
Great as Newton was, many of his ideas_____today and are being modified by the work of scientists of our time.
#104460
A
are to challenge
B
have challenged
C
are challenging
D
have been challenged
—Those scientists invented a robot to care for kids! —It’s not surprising．They ____ wonders all the time．
#103461
A
worked
B
were working
C
work
D
have been working
You ________ come to his office. Our boss won’t be back until next week.
#103255
A
haven’t to
B
won’t have got to
C
have got to
D
have not got to
They _______ on the program for almost one week before I joined them, and now we ________ it as no good results have come out so far.
#104610
A
had been working; are still working
B
had worked; were still working
C
have been working; have worked
D
have worked; are still working