. Three hours ______ enough for us to finish the task.
| A．are | B．has | C．is | D．Were |
Facing huge costs for their wedding, 62% of ______ surveyed said they would turn to their parents for help.
| A．these | B．some | C．whom | D．those |
When the Marathon first came to Beijing in 1981, traffic was not _______ it is today.
| A．bigger a headache than | B．as a big headache as |
| C．so many a headache as | D．as big a headache as |
Big boy _______ I am, my mother asks me to keep it in mind that under no circumstances _______ go to swim.
| A．as; will I | B．so; will I |
| C．as; I will | D．though; I will |
What he wants to tell us is that it’s three years _______ he moved here .
| A．that | B．when |
| C．since | D．before |
National parks are important for preserving many animals, which would _______ run the risk of becoming extinct.
| A．instead | B．somehow |
| C．therefore | D．otherwise |