Điền từ thích hợp

A relaxing way to see the countryside is by water. Britain has a large (1)……….of canals, (2)……….were used for transporting goods in the nineteenth century. About 2,000 miles (3,000 km) of canals are still (3)………..use.

Most canals are now used by holiday-makers (4)………hire barges. Rivers, too , are popular.  (5)……….. River Thames, in particular, is full of private boats and pleasure boats. Imagine gently drifting along the river on a sunny summer day, past green fields; much better than being stuck in a traffic jam behind a huge lorry.

1.         A. lots                          B. many                 C. amount                          D.number

2.         A. what                        B. which                C. who                               D.that

3.         A. in                            B. for                     C. at                                   D.being

4.         A. which                      B. where                C. whom                            D.who

5.         A. An                           B. A                       C. The                                D. o