We have done things we ought not to have done and ________ undone things we ought to have done.
#104516
A
left
B
leave
C
will leave
D
leaving
推荐题目
Bob ________ with us together since he came to our school.
#101237
A
have worked
B
has worked
C
worked
D
will work
----You haven’t said a word about the design ,Mike. What’s your idea?----I’m sorry I _______ about something else just now.
#103591
A
am thinking
B
thought
C
was thinking
D
had thought
Various efforts over the centuries _________ to predict earthquakes to reduce the damage.
#99978
A
are being made
B
have been made
C
were made
D
were being made
They ________ to go shopping in the downtown district, but they cancelled it because of a hard rain.
#99209
A
had intended
B
intended
C
have intended
D
were intending