I found _______ difficult to work out the problem.
| A．it | B．it’s | C．that | D．this |
_____________have they been married? —For twenty years.
| A．How far | B．How long | C．How often | D．How soon |
Mary used to________ to work, but now she gets used to__________ to work.
| A．ride a bike, taking a bus | B．riding a bike, take a bus |
| C．riding a bike, taking a bus | D．ride a bike, take a bus |
Gone with the wind is a well-known novel. She ____________ it twice.
| A．read | B．is reading | C．reads | D．has read |
He lives in a small house __ _______, but he doesn’t feel__________.
| A．lonely, lonely | B．alone, alone | C．alone, lonely | D．lonely, alone |
The child has to come to school by bike ________ his own.
| A．in | B．by | C．on | D．of |