Last term our maths teacher set so difficult an examination problem _____ none of us worked it out.
| A．that | B．as | C．so that | D．which |
As a student in Senior Three, I must work hard. __________, I should take exercise to strengthen my body.
| A．Otherwise |
| B．Meanwhile |
| C．Therefore |
| D．Thus |
—Do you think he will do me a favor?
—He is the last one to help others. He __________ give you a hand, though.
| A．might |
| B．must |
| C．can |
| D．should |
The city of Nan Chong has grown so fast that it's at least __________ what it used to be.
| A．five times the size of |
| B．five times the size as large as |
| C．five times larger |
| D．five times size as |
The Greens must have been to 2010 Shanghai Expo, __________ they?
| A．hadn't |
| B．didn't |
| C．can't |
| D．weren't |
Everyone in the village hoped that he would __________ after a few days' treatment.
| A．pick up |
| B．come up |
| C．keep up |
| D．make up |