更多"It can not be used before( )"的相关试题:
[单项选择]The electric shaver needs （） before it can be used.
A. repairing
B. to repair
C. being repaired
D. to be repairing
[单项选择]The electronic shaver ______ before it can be used.
A. needs repairing
B. requires to be repairing
C. should be in repair
D. has to be repairable
[单项选择]The recorder ______ before it can be used.
A. needs repairing
B. requires repaired
C. should be in repair
D. has to be repairable
[单项选择]The TV set ______ before it can be used.
A. needs repairing
B. requires repaired
C. should be in repair
D. has to be repairable
[单项选择]It can not be used before（）
A. inspect
B. insoected
C. being inspected
D. inspecting
[单项选择]You must give the word before you can pass.
A. 在你能够通过之前，你必须说出口令。
B. 你必须说出口令才能通过。
C. 你必须写出单词，才能通过考试。
D. 你必须给出单词才能通过。
[单项选择]Before you can hear a message on the telephone using the new system, ______.
[单项选择]Before we can decide where to buy our materials, we require as much information as we can get on the suppliers.
A. 我们需要从各供应商处得到足够的信息，之后才能决定从何处购买材料。
B. 在决定从何处购买材料之前，我们需要各供应商给我们尽可能多的信息。
C. 我们可以先决定在哪里购买材料，然后再从卖方那里找出所有的相关信息。
D. 在决定从何处购买材料之前，我们需要收集尽可能多的关于各供应商的信息。
[单项选择]It will be a few years before we can see electronic book for sale because ______.
[单项选择]Before you can fly a plane in the sky you have to learn the ______ of flying it.
A. skill
B. technology
C. knowledge
D. ability
[单项选择]The electric shaver needs ______ before it can be used.
A. repairing
B. to repair
C. being repaired
D. to be repairing
[单项选择]Before a child can learn a musical instrument he or she first needs to acquire the necessary ______ skills.
A. perceptive
B. operative
C. jeopardous
D. manipulative
[单项选择]Ten months later, before a company can produce another annual report, it goes ______.
A. wrong
B. down
C. void
D. bust
[单项选择]Before stamps were used, postage ______.
A. was paid by the letter-writers
B. was paid by the letter-receivers
C. was got by postmen
D. both B and C
[单项选择]Under-used computer equipment can proliferate in large companies without a system to {{U}}monitor{{/U}} purchasing.
A. know
B. order
C. screen
D. watch
[单项选择]Configuration management system can be used in defining approval levels for authorizing changes and providing a method to validate approved changes．(74) is not a project configuration management tool．
A. Rational Clearcase
B. Quality Function Deployment
C. Visual SourceSafe
D. Concurrent Versions System
