The head teacher with his students ______ Zhongshan Park if it _____ tomorrow.–That sounds wonderful.

I hear Kris had an accident as hewas riding his bike to school yesterday— ________ He is always so carefulwhen he is riding

The water in the fish tank should be changed at regular intervals.

The publishing house ______ his copyright, so he accused it.

I usually eat breakfast at ____ seventhirty.