【C3】A．partB．pointC．answerD．solution

Prepositions（介词) ____ in the structure of English.A、take partB、take a great partC、pla

A．Leaving it alone.B．Sitting down.C．Trying to find an answerD．Asking the teacher.

【32】A．numberB．pointC．partD．figure

They stopped in a cafe for a drink and a ______ of cake.A．partB．littleC．piece

【C17】A．ringB．replyC．answerD．respond

【C4】A．partB．toolC．instrumentD．organ