“Isn’t it about time you _____ to do morning exercises?” “Yes, it is. Would you like to join us?” 
#90574
A
begin
B
have begun
C
began
D
had begun
推荐题目
Without electricity human life __________ quite different today. 
#87677
A
is
B
will be
C
would have been
D
would be
You _____ an A on your composition, but there were some spelling mistakes.
#87445
A
should receive
B
could have received
C
would receive
D
must have received
Were it not for the debt, we ______a happy life:
#90303
A
are living
B
would live
C
were living
D
will live