19、The poor _______ living in the mountain _______ top is covered with green trees．

A．are; which                                             B．are; whose

C．is; whose                                                   D．are; of which

18、_____ the doctors really doubt is _____ my mother will recover from the serious disease soon．

A．What; when                                     B．That; how

C．What; whether                                D．That; what

17、The company was willing to provide us with what we needed, _____ made us excited．

A．what          B．it           C．which             D．that

16、He is always helping people without expecting anything _____．

A．in common           B．in turn          C．in danger         D．in return

15、Tom owns          larger collection of         books than any other student in our class．

A．the; 不填           B．a; 不填            C．a; the          D．不填; the

14、Yesterday I was walking on the road, _________．

A．rained heavily                                    B．it rained heavily

C．raining heavily                                   D．it raining heavily

13、To learn to write an English essay well,_____．

A．much practice is needed                          B．one needs much practice

C．much practice is needed by one               D．one is needed much practice

12、My favorite bicycle was stolen from my garden．I wonder _______that did it．

A．who is it            B．who it is            C．it is who             D．is it who

11、In the good care of the nurses, the boy is _____ recovering from his heart operation．

A．quietly       B．actually          C．practically          D．gradually

10、______ you master an effective method to study French____ make great progress in a short time．

A．Only if; will you                                  B．Only if; you will

C．Unless; will you                                    D．Unless; you will