It is believed ______ children should learn to be responsible from the very beginning．
| A．why | B．how |
| C．when | D．that |
Before going abroad he devoted all he could _______ his oral English.
| A．improve | B．to improve |
| C．improving | D．to improving |
He spent every minute he could _____ spoken English.
| A．practise | B．to practise |
| C．practising | D．practised |
They stayed up until midnight _____ the old year out and the new year in.
| A．and saw | B．to see |
| C．seeing | D．for seeing |
If the car won’t start, _____ it.
| A．try push | B．try pushing |
| C．to try pushing | D．to try to push |
“Which sweater is yours?” “The one _______ No. 9.”
| A．that marked | B．was marked with |
| C．which marked | D．marked with |