问题
选择题
—Mom, my classmates invited me ____ a field trip. May I go with them?
—OK.
A．go on
B．to go on
C．go in
D．to go in
答案
答案：B
邀请某人做某事可以说invite sb to do sth，进行一次天地旅行可以说go on a field trip，故本题选B。
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