19．He has ________ most popular book．

A．a                          B．an                       C，the                        D．／

18．This is the one ________ I wanted to buy．

A．which                  B．that                       C．who                       D．when

17．That is the house ________ he was born．

A．in that                   B．which                   C．that                       D．in which

16．It is better to teach a man fishing than ________ him fish．

A．to give                   B．giving                    C．to find                   D．finding

15．He aimed his gun（枪） ________ the enemy．

A．for                              B．to                          C．at                          D．in

14．Travelling by air may be ________，but not so ________．

    A．quicker, cheaper                                        B．more quickly，cheap

    C．quicker，cheap                                          D．more quickly，cheaper

13．Which ________ you ________ have，tea or coffee?

    A．would；like          B．do；like                C．would；rather       D．is；like

12．There is a ________ to the top of the hill

A．path                      B．way                       C．street                     D．road

11．________ the end of the road you’ll find the hospital．

A．In                         B．By                        C．At                         D．On

10．Some friends ________ my home to see me．

A．dropped away        B．dropped in on        C．dropped by             D．dropped back