helpful [ˈhelpfəl]a.有益的；給予幫助的,肯幫忙的
我們數(shù)學(xué)老師對(duì)我們所有人很有幫助.
My Maths teacher is ( ) /help/ to all of us
My Maths teacher is ( ) /help/ to all of us
用所給單詞的適當(dāng)形式填空
用所給單詞的適當(dāng)形式填空
英語(yǔ)人氣：639 ℃時(shí)間：2020-04-13 20:51:25
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