When you ( ) the street,you must look carefully.A.past.B.acr
When you cross the street,you must look to _____.
Before you cross the street,you must look b__ ways carefully
You must be very ()when you cross the busy street.A)care .B)
When you ____(过)a street,you must look right ,look left.请问是用
When you cross the street ,you must look both ways first的答语
you must look carefully before you ______(通过)the road.
please look carefully before you 什么 (cross )the street
you must be ____(care)when you cross the street.
you must be careful when you ( )the street
look at the___lines.You must cross the street here.
you must look oth ways before going___(cross)the street.
You must be careful when crossing the street.改为祈使句