______ our teacher was ill, ______ she still came to our class to teach us.

More and more people would like to live in the countryside ______ the air is fresher and the price of housing is lower.

We shouldn’t use plastic bags. We should take our own bags ___.And we also should walk ___driving to the supermarket.

Why are your eyes so red？You________have slept well last night.—Yeah，I stayed up late writing a report. (

ays to praise your children often ,_____ you’ll find they will open their hearts to you