---Why is he unhappy?
---He has a case_______he is being accused of stealing.
| A．when | B．where | C．there | D．which |
He was sentenced to death ______ what he has stolen from the bank.
| A．that | B．since | C．because | D．because of |
______ nice，the food was all eaten up soon.
| A．Tasting | B．Taste | C．Tasted | D．To taste |
— How long have you been here？
— ______ the end of last month，
| A．In | B．By | C．At | D．Since |
I like swimming，while what my brother enjoys ______.
| A．cooking | B．to cook | C．is cooking | D．cook |
We’ll be free tomorrow，so I suggest ______ to the history museum.
| A．to visit | B．visiting | C．we should visit | D．a visit |