—— Look at the black clouds.It ______ soon. —— Sure.If only we _____out. 
#104672
A
is raining; didn’ t come
B
is to rain; won’ t start
C
will rain; haven’ t started
D
is going to rain; hadn’ t come
推荐题目
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
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