We want to know he will come back, as we are worried about his safety.
| A．how often | B．how soon | C．how much | D．how long |
---Has Mr. Smith ________ heard about the story?
---No， he hasn’t .
| A．yet | B．just | C．ever | D．once |
---I haven’t seen my grandparents for long. I’m too busy ___ them these days.
---Why not call them instead?
| A．visit | B．to visit | C．visiting | D．visits |
---Have you decided _____? ---______.
| A．what to read about ； No ever |
| B．how to read ； Not yet |
| C．what to read； Not yet |
| D．where to read； No ever |
Millie _____ for three hours. Please________.
| A．has fallen asleep ； wake up her |
| B．has been asleep； wake her up |
| C．has fallen asleep ； wake her up |
| D．has been asleep ； wake up her |
When I walked ____ the playground， I saw a lot of boys _____ there.
| A．past； play football | B．passed； playing football |
| C．past ； playing football | D．passed； play football |