To use the _____ only when it is necessary.
mother-tongue
举一反三
- When will college students curb their spending and only buy what is necessary?
- In a presentation, we should only use visual aids if they are necessary to maintain interest and assist comprehension.
- Using the mother tongue only when it’s necessary helps to make instructions effective.
- The page number is not necessary to cite, when we want to use main idea but not the exact sentence.
- Only when the factories use electricity, they put greenhouse gases into the air.
内容
- 0
____ the unit if necessary. A: Assemble the unit.<br/>use new parts if necessary. B: Reassemble the unit.<br/>use new parts if necessary. C: Rebuild the unit.<br/>use new parts if necessary.
- 1
words in use: fill in the blanks with the words given below. change the form where necessary. each word can be used only once.
- 2
The ____________, __________, and ____________ are the only three forms of control necessary.
- 3
The freight forwarder would prepare all necessary documents for exporter if necessary．
- 4
We only use the past tense when writing the Method Section and the Results Section. A: 正确 B: 错误