用所给词的适当形式填空。
[[QOrDeR]]Here ________ (be) a lot of bikes in front of the school.
【小题2】You can ________ (draw) pictures in the park.
【小题3】Can your little brother use the knife ________ (safe)?
【小题4】The driver must ________ (look) at the traffic lights.
【小题5】Please run________ (quick), Sam.
【小题6】That sign________ (mean) you can eat here.