Apples are usually sold by weight and eggs are sometimes sold by dozen
| A．the；the | B．/：a | C．/；the | D．the；a |
Despite the great difficulty we had _____ out the plan, it paid off in the end.
| A．carrying | B．carried | C．to carry | D．carry |
Faced with_____ challenges, you should believe that your courage is what makes_____ difference.
| A．the; / | B．the; a | C．/; a | D．/; / |
We shouldn’t take_____ for granted that our parents will take care of us forever.
| A．this | B．that | C．them | D．it |
—Oh no! We’re too late. The train ______.
—______. That’s OK. We’ll catch the next train to London.
| A．was leaving | B．had left | C．has left | D．has been leaving |
Would you like to _______with us to the film tonight?
| A．come a long | B．come off | C．come across | D．come through |