A.the; / | B.the; the | C./; the |
A.workers | B.firefighters | C.neighbors |
A.excited | B.careful | C.street |
A.safe | B.belt | C.nice |
A.seat | B.bike | C.car |
A.say | B.driver | C.talk |
A.always | B.sometimes | C.first |
A.is | B.are | C.be |
A.How many | B.What time | C.What |
A.开着的 | B.经常 | C.开始 |
A.学习 | B.学生 | C.鸭子 |