Susan decided not to work on the program at home because she didn’t want her parents to know what she ______.
#101760
A
has done
B
had done
C
was doing
D
is doing
推荐题目
Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
#100416
A
has worked
B
worked
C
is working
D
had worked
If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
--Has the train arrived yet?---No, it ought to ___ twenty minutes ago.
#104029
A
arrive
B
have arrived
C
be arriving
D
be arrive
— Flight MU257 ______, I must be off now.— Have a nice trip.
#102791
A
is being announced
B
has announced
C
was announcing
D
had been announced.
The version _______ to be closest to the author’s original now belongs to a national museum in Paris.
#103149
A
was thought
B
thought
C
is thought
D
thinking