求大神帮下英语= =4.He knew nothing about thisjourney _________ he w

求大神帮下英语= =
4.He knew nothing about thisjourney _________ he was likely to be away for three months.
A.that B.except that C.however D.in addition
5.At last he________ finish the job in time.
A.got to B.tried to C.had to D.managed to
6.They talked________ low voices in order not to be heard.
A.at B.by C.on D.in
7.There are manybirds singing ________ the trees.
A.in B.on C.at D.with
8.Mike received an award ________ his outstandingresults in the exams.
A.to B.about C.for D.with
9.She was ________ her early twenties whenshe went abroad.
A.at B.in C.for D.of
10.Children get presents ________ Christmasand ________ their birthdays.
A.on,at B.in,at C.at,on D.by,on