---- Is Mary coming to the concert?
---- I think ________.
| A．yes | B．it | C．that | D．so |
-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday ______ school ends．
| A．while | B．until | C．immediately | D．unless |
It’s not necessary to explain the truth ____ there is spring wind, there is green grass.
| A．which wherever | B．that which | C．which when | D．that wherever |
As a matter of fact, ____is not failure itself, but what we think of failure and what to do afterwards that counts.
| A．this | B．that | C．there | D．it |
____ of danger in the street at night, she had to go home, with a friend ____ her.
| A．Warned; accompanied | B．Having warned; accompanying |
| C．Warning; accompanying | D．Having been warned; accompanying |
When a difficulty is beyond my _____, I turn to my classmates or teachers for help.
| A．intelligence | B．comparison | C．competence | D．companion |