The students are cleaning their classroom. _____ are cleaning the windows. _____ are cleaning the chairs.
---How many arms _____ there? ----There _____ an arm. A. are, are B. is, is C. are, is
What's the weather__________ in Beijing in winter?
_________ is your cat? It’s black and white.
---__________ he speak English? ---No, he can't.
How many _____ can you see in the picture?