---At present, one of the best ways to study is working in groups. ---More chances _______ to students to learn from each other. 
#44491
A
offer
B
are offered
C
have offered
D
are offering
推荐题目
People should __________ from __________ down the trees to protect the earth.
#44463
A
be stopped, to cut
B
stop, to cut
C
be stopped, cutting
D
stop, cutting
It’s a rule in my class that our classroom ______ before 6:00 p.m. every day.
#44688
A
be able to clean
B
should be cleaning
C
must clean
D
must be cleaned