The elderly ______ good care of in public places like supermarkets and airports; they are likely to get lost.
#87752
A
can have been taken
B
ought to be taking
C
must be taken
D
should take
推荐题目
-----I thought I ______something burning  . -----Really?
#89834
A
smelled
B
was smelling
C
could smell
D
might smell
I don’t know why she suggested that we _____ the work before dark.
#87356
A
finishing
B
finish
C
would finish
D
to finish
I followed his advice that I____mys tudy plan.
#90297
A
changed
B
would change
C
change
D
had changed