Sắp sếp
4.too / her / Why / fast. / ride / bike / sister / shouldn't / your
=> … ……………………………………………………………………………
5. ride / shouldn / wear / you / motorbike. / your / helmet / You / when / a
=> ………………………………………………………………………………
6. drown. / lake / the / she / She / into / shouldn't / may / because / jump
=> ………………………………………………………………………………
4 .=> Why shouldn't your sister ride her bike too fast ?
5. => You should wear a helmet when you ride your motorbike.
6. => She shouldn't jump into the lake because she may drown.