Bài tập cấu tạo từ 1

………..is higher than last year.

………has recently increased.

They will start ………… early next month.

Customer (satisfied / satisfaction) is important in increasing sales

All factory workers must follow proper ……..precautions

………….should be submitted within the next five days.

……………must sign in two weeks in advance.

We need to hire an …………… for the upcoming conference.

The ongoing …………. is being performed by a group of technicians.

Students should register under the (supervising / supervision) of their advisor