I have aleady waited here for ___ hour and ___ half.
| A．an….a | B．a….a | C．a…..an | D．an….an |
The boss went into the house ,_______ the five boys _______ in the rain.
| A．left, standing | B．leaving , standing |
| C．left ,stand | D．leaving , stand |
I don’t think he _______ a new bike.
| A．need to buy | B．needs buying |
| C．need | D．need buy |
-----Would you like to go mountain-climbing with us ?
----- Thanks, but that’s the ______ thing in the world I’d like to do.
| A．latest | B．very | C．worst | D．last |
The moment I got home , I found I ______ my jacket on the playground.
| A．had left | B．left |
| C．have left | D．was leaving |
Feathers fall to the ground slowly, ________ stones fall much faster.
| A．but | B．however | C．while | D．yet |