蝴蝶翼

一、AAA 型 cost—cost—cost 花费 cut—cut—cut 割 cast—cast—cast 投，掷 hit—hit—hit 打 ...

蝴蝶翼

四、ABB型 1、在动词原形后加一个 d 或 t hear—heard—heard 听见 mean—meant—meant 意思 learn—le...

蝴蝶翼

Part Three -2 介词 with 词组归纳： 1. be angry with 对...感到生气 2. be busy with 忙于 3. be consis...

蝴蝶翼

Part Three -1 介词for词组归纳： 1. be eager for 渴望的 2. be enough for 足够的 3. be famous for 以...

蝴蝶翼

Part Two-3 介词 with 词组归纳： 1. agree with 同意 I agree with you. 2. begin with 以...开始 ...

蝴蝶翼

Part Two-2 介词for词组归纳： 1. account for 解释 Bad weather accounted for the long delay. 长期的...

蝴蝶翼

Part Two-1 介词 at 词组归纳： 1. Be amused at 对...高兴 We were amused at the joke. 我们觉得这个笑话真有...