When he was a boy, he used to go there and watch _____.
| A．to repair bicycles |
| B．bicycles to be repaired |
| C．bicycles being repaired |
| D．repairing bicycles |
So _______that in spite of the rare disease, he managed to live as rich and full a life as we do.
| A．optimistic and determined was Marty |
| B．was Marty optimistic and determined |
| C．Marty was optimistic and determined |
| D．optimistic and determined Marty was |
The engineer buries himself in work all day long and has no time for some outdoor activities, __________ he has the interest.
| A．as if | B．even if | C．so long as | D．now that |
The young lady from Australia has a gift for creating an atmosphere for her students _________ allows them to communicate freely with each other.
| A．where | B．which | C．what | D．who |
I’m always ________ about what I say because careless remarks are likely to hurt others’ feelings.
| A．enthusiastic | B．curious | C．doubtful | D．cautious |
Evidence has been found through years of study __________ children’s early sleeping problems are likely to continue when they grow up.
| A．why | B．how | C．that | D．whether |