_____ of the city ____ destroyed in the war that broke out in 1945.
| A．Two-thirds, were | B．Two-thirds, was |
| C．Two-third, was | D．Two-third, were |
He knows nothing about it, so he can’t help _______ any of your work.
| A．doing | B．to do |
| C．being doing | D．to be done |
Before going abroad he devoted all he could _______ his oral English.
| A．improve。m | B．to improve |
| C．improving | D．to improving |
He spent every minute he could _____ spoken English.
| A．practise。m | B．to practise |
| C．practising。m | D．practised |
He ran as fast as he could _____ to catch the early bus.
| A．to hope。m | B．hope |
| C．hoping。m | D．hoped |
Everyone in our class was working hard and doing what we could _______ a good college.
| A．enter。m | B．to enter |
| C．entering。m | D．entered |