--How much difficulty did Lucy have_______ this problem?
--_______. She's a good problem solver.
| A．to solve ; Nothing | B．solving ; None |
| C．to solve ; None | D．solving ; Nothing |
Lin Hai and Dave __ his good friends.
| A．are | B．be | C．am | D．Is |
Are __ Kate’s __ ?
| A．this; book | B．that; book |
| C．these; books | D．those; book |
Thanks __ helping me, Jim.
| A．of | B．to | C．at | D．for |
---Is this man your friend? ---Yes, ___________.
| A．she is | B．it isn’t |
| C．he is | D．he isn’t |
---_____ do you have geography?
---We have geography on Tuesday and Thursday.
| A．What | B．When | C．Where | D．Why |