What system did the company introduce last year？ It introduced a flexible ______ system.

A—contract of employment B—contract of arbitration

C—contract for goods D—contract for purchase

E—contract for service F—contract for future delivery

G—contract parties H—contractual practice/usage

I—contractual claim J—contractual liability/obligation

K—expiration of contract L—renewal of contract

M—to terminate the contract N—to alter the contract

O—to draw up a contract P—originals of the contract

Q—copies of the contract

51. ( )合同正本 ( )解除合同

52. ( )劳务合同 ( )合同惯例

53. ( )雇佣合同 ( )合同期满

54. ( )合同当事人 ( )合同的续订

55. ( )合同副本 ( )合同规定的义务

What did girls expect to do two generations ago?

Girls expected to enter into ______.

听力原文：What is true about family lifestyle. patterns now?

What is true about family lifestyle. patterns now?

There is much more variety in ______ now than there was before.

What does the manager require in terms of payment arrangements?

______ to arrive at least one month prior to the time of shipment.

传真 ( )自动取款机

充电器 ( )剃须刀

听力原文：In order to improve our speaking, what should we do?

In order to improve our speaking, what should we do?

We should ______ to our classmates and English teachers daily.

听力原文：In which ways does English differ most from Chinese?

In which way does English differ most from Chinese?

English differs most from Chinese in ______.