一些英语选择题．做的的继续加分,

一些英语选择题．做的的继续加分,
1.It was in that small room____they worked hard and dreamed of better days to come.
A.what B.in which C.which D.that
2.All her doubts (vanished) after she read the letter from jimmy.
A.broke B.disappeared C.decreased D.grew
3.I answered the letter (immediately).
A.at once B.briefly C.quickly D.swiftly
4.The_____power of the people in this town has been decreasing because most young people have left for the big cities.
5.I received a _____parcel yesterday and I am still wondering who may have sent it
A.sincere B.dull C.complicated D.mysterious
6.How we_____a chance to visit your great country!
A.looked for B.longed for C.waited for D.went for
7.Are you (positive) that the boy you saw in the hotel corridor
was Peter?
A.right B.wrong C.sure D.doubtful
第4题选项是A.shopping B.purchasing C.enduring D.spending
回答的请说明下为什么选这个，