He was known to have been hanging about and was not expected to pass the test. ______, his failure came as no wonder to his parents.
| A．However | B．Instead | C．Besides | D．Therefore |
Many children are ____ in the countryside when their parents flood into the cities for jobs．
| A．left behind | B．left off | C．left aside | D．left out |
The UN officials say it could be many weeks and even months ____ a deal is reached．
| A．before | B．after | C．when | D．as |
Either the ways or the time ____ yet, but you may ask the headmaster for some information．
| A．isn’t decided | B．hasn’t decided | C．aren’t decided | D．haven’t decided |
The purse found on the playground matches the ____ by Mary, so it must be hers．
| A．direction | B．description | C．expression | D．instruction |
—Quite a lot of students failed in the math exam．
—Exactly．It is ____ their abilities．
| A．within | B．over | C．against | D．beyond |