III .Circle the best answer among A, B, C or D to complete the sentences. 

      21. People had to live ………………. difficult condition.       A. on B. without        C. from D. in

      22. The government suggests …………… by bus to reduce the environmental pollution.

            A. travel                       B. traveling                  C. traveled                   D. to travel

      23. My roommate suggested that we ………………. more vegetables and fruit.

            A. should eat                B. eating                       C. ate                           D. to eat

      24.  The competition will take place ………………. 7a.m. and 11 a.m.

             A. at                               B. to                          C .between                     D. from

      25. My mom suggests that I ………………. for some part-time jobs to earn more money.

            A. looking                    B. look                         C. looks                       D. to looking

      26. When did your grandparents set ………………. this workshop?

            A. up                            B. off                           C. out                           D. in

      27. This laptop is much more user-friendly, but it costs        the ………………. other one.

            A. so much as               B. twice as much as      C. as many as               D. twice as many

      28. We are looking forward ………………. hearing from you .

             A. to                              B. with                        C. from                         D. in

      29. It’s so cold outside. We suggest ………………. the window.A. should close       B. close C. closing         D. to close

      30. Minh: “Would you like to have dinner with me?”    Van: “____________________________”

A. You’re right.           B. I’m very happy.         C. Yes, it is.                   D. Yes, I'd love to.

      31.     Nhi: - “I’m taking my first exam next week.” – Nam: “___________!”

     A. Cheers                        B. Good luck                C. Well-done                D. Congratulations

      32. After I found all the information I needed, I ………………. the computer.

            A. looked for                B. switched on             C. turned off                D. put off