I ______ have been more than six years old when the accident happened.
| A．shouldn’t | B．couldn’t | C．mustn’t | D．needn’t |
The fire caused thousands of pounds' ________of damage.
| A．worth | B．price | C．value | D．prize |
It took a long time for the connection between body temperature and illness________.
| A．to make | B．to be made | C．making | D．being made |
―The river runs clear.
―We all appreciate the importance the local government has______ the environmental protection.
| A．attached to | B．contributed to | C．responded to | D．subscribed to |
The boss refused to sell the car for ________ he thought was not satisfactory,
| A．that | B．which | C．how | D．what |
—What _______ you to get bored with her?
— _______was her laziness and unkindness.
| A．made; It | B．caused; That | C．led; It | D．got; That |