When copying the letter, pay special attention not to any words．
| A．leave alone | B．leave out | C．leave behind | D．leave aside |
相关试题
Many experts believe that teachers’ development is _____ the key to better education lies. 
| A．that | B．what | C．where | D．which |
Evidence has been piled up_____drinking water after getting up in the morning contributes to one’s health.
| A．what | B．which | C．if | D．that |
There is a great deal of research ___that music activities engage different parts of the brain.
| A．indicate | B．indicating | C．to indicate | D．to be indicating |
Teenagers have reached a point in their life_____they are supposed to make decisions of their own for the first time.
| A．which | B．where | C．how | D．why |
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