Look, Sally looks unhappy, what _____ the problem?A. seem to be B. seems to be C. seem that
The shoes are made_________ leather and are suitable _________going for a walk.
If you want to be _________, you should eat_________.
---_________ are these science books? --- Uncle Wang’s.
Is there_________ in today’s newspaper?
There are_________ floors in this shopping mall. KFC is on the_________ floor.