6.Mrs.Smith locked both the front and the back doors before

6.Mrs.Smith locked both the front and the back doors before she went to bed ______ that someone might steal into the house at night.
A.so B.for fear
C.unless D.on condition
7.We have to wait for the bus,______?
A.have we B.haven’t we
C.do we D.don’t we
8.______ the popularity of robots in Japan,the country’s robot-production growth is slowing down.
A.As B.Although
C.With D.Despite
9.The proposal deserves support as it gives ______ to the needs of children.
A.curiosity B.awareness
C.priority D.emphasis
10.Those familiar with evening dress will always ______ black with elegance.
A.link B.associate
C.connect D.relate
11.If you’re sitting around a lonely campfire at night,the howl of a wolf can sound pretty ______.
A.fearful B.threatening
C.dreadful D.frightening
12.The suspect cooperated fully with the police when ______ about his role in the incident.
A.required B.questioned
C.demanded D.negotiated
13.Homing pigeon is useful as a ______ carrier because when taken from home,it will return at the first opportunity.
A.meaning B.information
C.message D.content
14.One of the responsibilities of the Coast Guard is to make sure that all ships ______ follow traffic rules in busy harbors.
A.conveniently B.obediently
C.sufficiently D.reluctantly
15.She was so ______ the noise that she sent the children to bed.
A.broken down by B.filled in with
C.taken over by D.fed up with
烦请不知道为什么,做广告者不要捣乱.

楼主,题量未免有点太大了吧?
6.B
for fear that...,意思是“唯恐...”,引导结果状语从句,且从句一般使用虚拟语气
7.D
have to虽然视为情态动词,但是其否定/疑问变化须借助于助动词do
8.D
句意为转折,排除C；
选项后为名词短语,所以必须填入介词,而不是连词,排除B；
as作为介词的意思是“作为”,句意不通,排除A.
9.C
give priority to...,意思是“把...放在首位/优先考虑/优先关注”
10.B
associate...with...,意思是“把...和...联想起来/联系在一起”
11.D
frightening adj.令人感到害怕/恐惧的
12.B
question sb about sth 就某事讯问某人
13.C
message carrier 信息载体,用于本意
14.B
obediently adv.服从地/顺从地/忠顺地
15.D
be fed up with...,意思是“厌倦于/厌烦于...”