Rose, you are so thin. You should eat more,_______ you’ll make yourself ill.
| A．or | B．if | C．and | D．but |
The students are talking about ______ holiday plans happily.
| A．his | B．her | C．its | D．their |
Nobody knows ______ yesterday.
| A．how the accident happens |
| B．how does the accident happen |
| C．how the accident happened |
| D．how did the accident happen |
The park gates ______ at 10:00 every evening.
| A．lock | B．locked | C．are locked | D．were locked |
Mum told Andrew ______ quiet in the museum.
| A．keep | B．to keep | C．keeping | D．kept |
My uncle is a writer. He ______ many books since he was young.
| A．writes | B．wrote | C．is writing | D．has written |