Susan decided not to work on the program at home because she didn’t want her mother to know what she _____.
#103156
A
has done
B
had done
C
was doing
D
is doing
推荐题目
I ________ up to $5 000 by the time the new term begins in September.
#99453
A
have saved
B
will have saved
C
will be saving
D
had saved
——You see how thin Ann is!——She ______ gain some weight but she______ too little.
#99970
A
would; ate 
B
will ; eats 
C
would ; has eaten 
D
will ; is eating
 The troops _______ themselves to go into battle.
#100152
A
prepared
B
were prepared
C
to prepare
D
preparing