The electric shaver needs (repair) __________ before it can be used.
举一反三
- The washing machine ______ before it can be used. A: must repair B: needs repairing C: should be in repair D: require be repaired
- This machine needs (). Can you have it(). A: to repair; repair B: repairing; repaired C: repair; repairing D: be repaired; repaired
- Burning waste ______ energy that can be used for electric power or heating.
- The article is interesting, but it needs some __________ before it can be published.
- The diesel engine must be started before it can run by it self For this purpose （） has to be used.