“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”
| A．must; could | B．may; might |
| C．need; must | D．could; need |
Mike resembles his mother in appearance _____ his personality follows his father's.
| A．who | B．which | C．while | D．where |
The suggestion he put forward was adopted with 16 votes _____ and 15 against it.
| A．in favour of | B．in response to |
| C．in honour of | D．in reference to |
—How many people attended the exhibition?
—I’m not sure. _____ speaking, a thousand or more.
| A．Strictly | B．Steadily | C．Exactly | D．Roughly |
Catherine didn’t like her roommates, because they _____ things from her.
| A．are always borrowing | B．have always borrowed |
| C．had always borrowed | D．were always borrowing |
There is no doubt that the increase in demand _____ the rise in prices.
| A．leads to | B．refers to | C．applies to | D．adapts to |