—What’s the central idea of the passage，Bob?
—Sorry，I can’t make________of it.It’s beyond my ability.
| A．judgement | B．understanding |
| C．idea | D．sense |
—Grace, when shall we take a walk?
—After I finish________ the dishes.
| A．wash | B．washing | C．washed | D．to wash |
I really wonder____ he has posted me many parcels_____ we didn't work together.
| A．how ,after | B．why, when | C．when, before | D．why, since |
— How come a simple meal like that costs so much?
— We had ______in your bill the cost of the cup you broke just now.
| A．added | B．included | C．contained | D．charged |
The black horse is___________ of the pair.
| A．the strongest | B．the stronger | C．the strong | D．quite strong |
He’ll accept the job _______the salary is very low. After all he needs money.
| A．unless | B．if not | C．though | D．so long as |