You don’t know ________ I want to see you again. It’s years since I saw you last time.
| A．how soon | B．how long | C．how often | D．how much |
Tony’s mum looks young and beautiful. It’s hard to imagine she is already in her .
| A．fifty | B．fifties | C．fiftieths | D．fiftieth |
I’m not sure if blue looks good _____you.
| A．in | B．with | C．at | D．on |
When he was running after his brother, the boy lost his __ _ and had a bad fall.
| A．place | B．chance | C．memory | D．balance |
The storybook Bob bought yesterday is very interesting.
| A．what | B．when | C．who | D．which |
The boy read the website and looked for some good suggestions for vacation spots.
| A．careful enough | B．enough carefully |
| C．enough careful | D．carefully enough |