The government should protect the old valuable buildings ____ they are not in harmony with the modern ones nearby．
| A．even though | B．as if |
| C．even so | D．now that |
—I’m sorry. I ________ at you the other day.
— Forget it. I was a bit out of control myself.
| A．shouldn’t shout | B．shouldn’t have shouted |
| C．mustn’t shout | D．mustn’t haven’t shouted |
________ he finished writing his paper in such a short time surprised us all.
| A．When | B．Why | C．That | D．What |
The man ________ as “a crazy guy” is actually the boss of our company.
| A．who has referred | B． referred to | C．referring to | D．who referred to |
________ his help, I finally caught up with my classmates.
| A．Rather than | B．In spite of | C．Instead of | D．Thanks to |
—I’ve got to go now.
— Must you? I _________ you could stay for dinner with us.
| A．think | B．have thought | C．thought | D．am thinking |