问题
The teacher asked the students to do the experiment __________ small groups
A:to
B:for
C:on
D:in
B:for
C:on
D:in
正确答案是：
同类题型
－What did you do yesterday evening, Gina?－I ________ Titanic 3D in the City Cinema
The problem will appear____ a different welfare system will be created.
Tim is weak in math, so he is trying_________ up with other students now.
Mary often gives us _____ by email.
er the first time we met, Mary—SureYou ______ in the supermarket