-I think students should be allowed ____
题型:选择题
问题:
-I think students should be allowed _______ homework with friends.
-I disagree. They talk instead of ________ homework.
A.do, doing
B.to do, to do
C.to do, doing
D.doing, to do
-I think students should be allowed _______ homework with friends.
-I disagree. They talk instead of ________ homework.
A.do, doing
B.to do, to do
C.to do, doing
D.doing, to do