(2013·济南一中模拟)—Where ________ Mary have put the empty bottles?—She ________ them away. They must be somewhere.
#11310
A
can; can't have thrown
B
must; needn't
C
must; must have thrown
D
can; mustn't have thrown
推荐题目
(2013·河南十校三次联考)She wanted to tell him that she didn't want to do that, but she didn't know how to ________ it.
#11726
A
take
B
put
C
carry
D
get
A qualified doctor has to constantly update his knowledge in order to maintain his professional _____.
#12050
A
conscience
B
competence
C
conservation
D
convenience
After he retired, Mr. Green _______painting, but soon lost interest.
#13089
A
took up
B
gave up
C
made up
D
used up
(2013·高考湖北卷)In much of the animal world，night is the time________for sleep－pure and simple.
#11936
A
set aside
B
set down
C
set off
D
set up
It’s widely accepted that young babies like to do things because certain acts lead to ________.
#12479
A
rewards
B
prizes
C
awards
D
results