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
-- Dear me! I _____ you at first sight! But you do have changed a lot!  -- Nor _____ I! You are no longer the Fat Girl! 
#100298
A
haven’t recognized; have
B
hadn’t recognized; had
C
don’t recognize; do
D
didn’t recognize; did
Mr Smith suggested the problem worth paying attention to ________ at the meeting. 
#104578
A
should discuss
B
was discussed
C
being discussed
D
be discussed
Being popular with children, these toys ______ well and _____ in two days. 
#99118
A
sell; sell out
B
are sold; are sold out
C
are sold; will be sold out
D
sell; will be sold out