It is often recommended that children _____ chances to get close to nature. 
#86740
A
are offered
B
be offered
C
should offer
D
must be offered
推荐题目
I lost your address, otherwise I____you long before. 
#89901
A
had visited
B
have visited
C
would have visited
D
should visit
Online paper-checking requires that more attention _______.
#89641
A
be paid to spelling
B
to be paid to spelling
C
should pay to spelling
D
and spelling be paid to
 I should not have laughed if I ______ you were serious.
#86869
A
thought
B
would think
C
had thought
D
have thought
There is no light in the room.They ____asleep.
#90312
A
should have gone to
B
must be
C
could go
D
might be going