3. The streets are very busy with a lot of traffic.

A. modern                  B. peaceful               C. noisy                     D. crowded

3. My exam results ____ better than Nick’s.

A. will be                   B. am                        C. is                            D. are

4. We ____  until Friday for our exam results.

A. wait                       B. must wait                      C. are waiting           D. will wait

5. I think we should _____  shower instead of bath to save water.

A. use                       B. will use                   C. are using             D. is using