I can’t learn math well. Can you give me some ________?
| A．problem | B．problems | C．advice | D．advices |
My aunt Lisa is _______ office worker.
| A．a | B．an | C．/ | D．the |
---_______?
---He’s a doctor.
| A．What is his name | B．What does he look like |
| C．What does he do | D．What does he like |
-- Whose pants are they?
---__________.
| A．They are here | B．They are green |
| C．They are their | D．They are theirs |
I have a pet, ______ name is Polly.
| A．it’s | B．it | C．its | D．my |
Books are helpful _____ us.
| A．from | B．on | C．in | D．to |