9.The story is the 18th century in Canada.（ ）
A.set off B.set in C.set about D.set on
10.Your mother is ill these day.You’d better a doctor.（ ）
A.call on B.call for C.call at D.call in
11.All but one here just now.（ D ）
A.would be B.was C.has been D.were
12.You to the meeting yesterday.What was the reason for your absence?（ ）
A.had come B.should have come C.came D.would have come
13.Tom ran to his school all the way,so when he got to the school gate,he was quite out of .（ ）
A.reach B.sight C.work D.breath
14.Jack to come to your party because he was too busy.（ ）
A.agreed B.stopped C.gave up D.failed
15、On the Public Switched Telecommunications Network,each subscriber connects via ( ) to an end office.（ ）
A、trunk B、link C、local loop D、line
16、A computer virus is a special ( ) which has the abilities to reproduce itself.（ ）
A、program B、circuit C、route D、terminal