1、—Can you guess_____the new T-shirt last week?

1、—Can you guess_____the new T-shirt last week?
—Sorry,I don't know.
A、how much did she pay for
B、how much does she pay for
C、how much she paid for
2、Now,everyone,please turn to Page______and look at the______picture.
A、Twelve,fifth
B、Twelfth,fifth
C、Twelve;five
D、Twelfth;five
3、—David,how old is your father this year?
—______.And we just had a special party for his______birthday last weekend.
A、Fortieth;forty
B、Forty;fortieth
C、Forty;forty
D、Fortieth;fortieth
4、—Do you need a new dictionary,Susan?
—No,Mum.uncle bought me______yesterday.
A、one
B、it
C、the one
D、another
5、—Have you bought ______for Linda's birthday?
—Not exactly.Just some fiowers.
A、something unusual
B、anything unusual
C、unusual something
D、unusual anything
以上五道题,望网友能够帮我一下.也希望能说明做每道题的原因.