---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
—Mr. Black, may I leave now?—Well, if your work ________, you can go home.
#44700
A
finishes
B
is finished
C
has finished
D
will be finished
— Dad, may I go out with my friends? — Unless your homework          .
#44465
A
has been finished
B
has finished
C
finishes
D
will finish
Yuan Longping, a great person in China, _____as “father of hybrid rice”
#44978
A
is regarded
B
has regarded
C
is regarding
D
regards