Very few experts have ____ with complete new answers to the world s economic problems.
#83963
A
come down
B
come around
C
come up
D
come to
推荐题目
In order to protect the environment，supermarkets and stores are forbidden to ______ free plastic bags to shoppers.
#66365
A
put away
B
put off
C
give off
D
give away
These seats are __________ for the elderly and disabled.
#74068
A
observed
B
deserved
C
preserved
D
reserved
In that school, English is compulsory for all students, but French and Russian are___
#72722
A
special
B
regional
C
optional
D
original
--- Is there a primary school in your village now? --- No but there_________.
#74237
A
used
B
did
C
used to
D
used to be