`-` Part `I:`

`1,D.`

`2,B`

`3,B`

`4,D`

`5,B`

`-` Part `II:`
`6​. A.` was walking
`7​. A.` Even though
`8​. B.` the moon
`9​. B.` It’s Jane’s
`10​. D.` surprised
`11​. D.` more expensive
`12​. A.` It's nice of you to say so.
`13​. B.` for
`14​. C.` will be celebrated
`15​. C.` who
`16​. B.` to wash
`17​. A.` carton
`18​. B.` drought
`19​. C`. I'm glad you like it
`20​. A.` viewers
`-` Part `III:`
`21​.` The cake was so hard that he couldn't eat it. (Thay thế"such" với "so")
`22​.` Neither Mrs. Steven nor her cousins from New Mexico are going to attend the festivities. (Thay đổi "is" thành "are")
`23​.` I was disappointed that he turned down my invitation. (Thay thế"off" với "down")