1. His illness is even ________ (bad) than I thought it would be.
2. Tree-planting Day is on the ________ (twelve) of March every year.
3. This kind of shampoo can make your hair ________ (shine).
4.Now the famous singer ________ (most)plays his own songs.
5. There are two ________ (well) in the small village. People there get water from them.

1. Children should speak to old people _______ (polite).
2. Tree-planting Day is on the _______ (twelve) of March every year.
3. David took a lot of ______ (photo) in Mochou Lake Park last weekend.
4. The time is too short.It’s ______ (possible) for Daniel to finish this work.
5. Stephen spends about half an hour ____ (swim) every Saturday afternoon.

1. My aunt _____ (teach) me to play the violin when I was a child.
2. Look! The people in the river ______ (swim).
3. Tree-planting Day is on the ______ (twelve) of March every year.
4. Stephen spends about half an hour ______ (swim) every Saturday afternoon.
5. I don't like travelling by train. I think it's ______ (safe) to travel by train.
6. —I'm tired. 
    —So am I. We'd better stop ______ (walk) and have a rest.
7.  Plants need CO₂ when they grow, so they can make CO₂ ______ (little) in the air.