1.Since calculators were introduced,they____ to be useful to
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1.Since calculators were introduced,they____ to be useful tools for people wea
A.have proved B proved C will proved D are proving
2.She hasn't had any trouble since she ___ here
A.is to live B living C had living D lived
A.have proved B proved C will proved D are proving
2.She hasn't had any trouble since she ___ here
A.is to live B living C had living D lived
1.B
2.B
2.B
The typical cases __________will be introduced to readers to
be useful to和be useful for的区别
是be useful for 还是be useful to?
be useful to和be useful for的区别?
高一英语定语从句1.Later in this chapter cases will be introduced to
Later in this chapter cases will be introduced to readers___
be introduced to 除了被介绍还有其他意思吗?
be useful to的中文解释
these ways seem to be useful
To be useful(句子开头)怎译?
英语翻译Since my family were not going to be helpful ,I decided
1.be useful to_______ 2.be helpful to______3.be important to