15.On each job he avoided _____ people know who he was.
A.let B.to let C.be let D.letting
16.In Germany,_____ with France,friendship is much more clearly a matter of feeling.
A.opposite B.in addition C.in contrast D.related
17.My love for you is not dependent _____ whether you fulfill my expections of you.
A.on B.of C.from D.for
18.Hardly _____ when a quarrel broke out.
A.I arrived B.I had arrived C.had I arrived D.did I arrive
19.If he _____ here I could explain to him myself.
A.is B.has been C.were D.was
20._____ to see smoke pouring out of a hole in her house,she called the police for help.
A.Shocking B.Being shocked C.Shocked D.To be shocked