_______ which way to take, the little boy behaved like a real gentleman who comforted his
sister from time to time.
| A．Leaving to wonder | B．Having left to wonder |
| C．Left wondering | D．Left to wonder |
After two years’ research, we now have a _______ better understanding of the disease.
| A．very | B．far | C．fairly | D．quite |
Can you imagine the great difficulty he had ________ his driving test last week?
| A．pass | B．to pass | C．passing | D．passed |
I was deeply impressed ________ the speech by the mayor of Shanghai before the final voting for EXPO 2010.
| A．to | B．on | C．over | D．with |
The meeting began two hours ago and because no decision _______, we will continue our discussion tomorrow.
| A．has made | B．has been made | C．had made | D．had been made |
Please read the _______ on the bottle and take the right amount of medicine.
| A．explanations | B．introductions | C．instructions | D．descriptions |