A.What; collect | B.What; collecting |
C.How; collecting | D.How; collect |
A.on;at | B.to;at |
C.to;in | D.on; for |
A.in | B.at | C.for | D.with |
A.some | B.any | C.Many |
A.an | B.a | C.the | D.不填 |
A.can’t be | B.may be | C.mustn’t be | D.must be |
A.is | B.are | C.am |
A.does; come | B.is; come | C.does; comes |
A.much yuan | B.many yuan | C.much yuans |