A.Teachers’ Day | B.New Year’s Day | C.National Day. |
A.sixth | B.fifth | C.seventh |
A.in ; third | B.on ; third | C.in ;three |
A.nine | B.tenth | C.ninth |
A.carried | B.carry | C.carrying |
A.summer | B.winter | C.spring |
A.Martions | B.astronaut | C.Mars |
A.goes | B.going | C.go |
A.at, in front of | B.on, before | C.in, at |