---What is Mr Zhang doing?
---He is writing some English words ______ the blackboard ______ chalk.
A.in; for | B.on; with | C.with; with | D.on; in |
---What is Mr Zhang doing?
---He is writing some English words ______ the blackboard ______ chalk.
A.in; for | B.on; with | C.with; with | D.on; in |