fluctuation 波动, 起伏 2次

These continual_ in temperature make it impossible to decide what to wear.(04.6—63)

A) transitions B) transformations C)exchanges D) fluctuations

He bought his house on the________ plan, paying a certain amount of money each month.(05.1—67)

A) division B) premium C) installment D) fluctuation

flutter鼓翼, 飘动, 悸动, 乱跳, 烦扰 2次

With prices _______ so much, it is difficult for the school to plan a budget.(03.1—54)

A) vibrating B) fluctuating C) fluttering D) swinging

His face ________as he came in after running all the way from school. (03.9—46)

A) flared B) fluctuated C) fluttered D) flushed

Foresee 预知，先见 2次

Already the class is ________ about who our new teacher will be.(02.1—58)

A) foreseeing B) speculating C) fabricating D) contemplating

We don’t ________any difficulties in completing the project so long as we keep within our budget.(03.9--52)

A) foresee B) fabricate C) infer D) inhibit