题目内容
—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 |
B
解析
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题目内容
—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 |
B
解析