根据句意用括号中动词的适当形式填空，使句子的意思完整、正确。

小题1:You must ________(walk) on the right side of the street.

小题2:Morning exercises help us _________(get) ready for the day.

小题3: Your room __________ ( look)clean and bright.

小题4:We ______________ (not have) any classes at weekends.

小题5:Thank you for __________(tell) me about your school.

墙身返潮，应将损坏部位凿除并清理干净，用（）修补。

A、1：2.5水泥砂浆

B、1：2.5防水砂浆

C、1：3防水砂浆

D、高标号水泥砂浆