Shanghai is one of ___________ cities in the world.A. bigger B. biggest C. the biggest
–Did you have a sound sleep last night? -Yes, never sleep ______.
The head teacher with his students _______ the park if it ________ tomorrow.
The teacher told us _________.
This is the most interesting picture _______ I have seen. A. that B. which C. what D how
–Excuse me, where’s the West Hill Farm, please? -Go ______ the forest and ______ the foot of the mountains you will find it.