My most devoted friend, Professor Yang, _______ often go hiking when he lived in the mountain that was covered with forest.
| A．would | B．should | C．could | D．might |
_______ different life today is ________ what it was 30 years ago.
| A．How; from | B．What a; from |
| C．What; from | D．How; with |
A man may usually be known by the books he reads _____ by the friends he keeps.
| A．as usual | B．as soon as | C．as if | D．as well as |
Although he is often tired _____ his work, he is never tired _____ his job. In fact, he enjoys it.
| A．of…with | B．with…from | C．with…of | D．at…with |
Is it true _____ the rain stops, it will be as hot as in the summer here?
| A．when | B．that when | C．whenever | D．that |
— Is your mother still a teacher?
— ______.
| A．Yes, she was | B．She didn’t use to |
| C．No, but she used to | D．No, but she used to be |