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.
内容
- 0
There are _____ work to be done before the building can be used for living.
- 1
1.Thanks for your letter of May 16, and appreciate your intention to ____________ the sales of our electric shaver in your country._
- 2
The following statement is true? A: Pouring concrete can have help surface B: Miring concrete should be used in 40 minutes C: Each payment before concrete pouring needs to be signed by the engineer D: The concrete must be used is minutes after unloading
- 3
The article is interesting, but it needs some ____ before it can be published. A: spitting B: editing C: interpreting
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In order for a design to be successful, it must meet people's（ ）before it can attempt to satisfy （ ）. A: basic needs B: hierarchy of needs principle C: higher-level needs. D: low-level needs