---My bike is broken. May I go ________ yours? ---Sorry, mine __________ broken down.
A.on, is | B.by, is |
C.on, has | D.by, has |
---My bike is broken. May I go ________ yours? ---Sorry, mine __________ broken down.
A.on, is | B.by, is |
C.on, has | D.by, has |