Ôn tập

1.Before entering the laboratory, please _____ to present your identification.

• remembering

• remember

• remembered

• to remember

2. ______ in computer technology have made it easy to find legal cases through

the Internet.

• Advance

• Advancement

• Advances

• Advancing

3. 3.In almost every business, it is really imperative ______responsive to customer’s

needs.

• to be

• being

• is

• that

4.It is expected that we begin ______ our new line of portable printers next month.

• production

• productive

• producing

• produce

5.If you require additional information, _____ one of our sales representatives.

• contacting

• contact

• contacts

• contacted

6._____ an email to [e-mail] requesting a withdrawal.

• Sending

• Send

• To send

• Sends

7. 7.After considerable effort, the company has succeeded in _____ the new environment-friendly home appliances.

• development

• developed

• to develop

• developing

8.It is important for security guards ______ the security guidelines while they are

on duty.

• following

• to follow

• follow

• followed

9.The newly installed security system requires that every user _____ the four-digit access number.

• have

• to have

• having

• has

10.Construction workers are responsible for _____ their own equipment and tools.

• provides

• providing

• provided

• provision