6.Regular exercise can you against heart disease.
A.fight B.protect C.keep D.support
7.Over a hundred people expressed their worries，but were willing to help.
A.some B.many C.few D.little
8.You can't do anything else until you your homework.
A.finished B.will finish
C.have finished D.had finished
9.First draw a line the middle of the page.Then write a word in the space above the line.
A.across B.over C.between D.within
10.The managerhad Ms.Brunell the new assistant around yesterday.
A.to show B.showed C.showing D.show
11.Send for a doctor quickly.The man
A.will die B.isdying C.dies D.died
12.I enjoy listeningto Miss：White;my English teacher，I can only understand about half ofwhat she says，
A.when B.because C.if D.though
13.The bag is very heavy.Come and lend me a hand，?
A.should you B.do you C.can you D.will you
14.After working for two hours，I found impossible‘to complete the paper in time.
A.me B.this C.that D.it
15.It was very kind of you to clean the office，though you
A.needn't do B.wouldn't have
C.didn't have to D.mustn't have done
6.B 7.C 8.C 9.A 10.D 11.B 12.D 13.D 14.D 15.C