A.in front of | B.after | C.behind |
A.of | B.to | C.at |
A.string | B.rings | C.doll |
A.along | B.long | C.away |
A.How much | B.How many | C.How often |
A.at | B.in | C.on |
A.is; waiting | B.is; waited | C.are; waiting |
A.am writing | B.write | C.writes |
A.is read | B.is reading | C.reads |
A.is playing | B.are playing | C.play |