—Mom, my classmates invited me ____ a fi
问题:
—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
—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