Until we lose them, scarcely＿＿ how much pleasure and happiness our ordinary lives offer.
| A．we realize | B．do we realize |
| C．did we realize | D．we have realized |
I greeted the teacher with ‘ hello”, and the teacher gave me a sweet smile _________________.
| A．by turns | B．in return | C．in turn | D．for turn |
Do you know the trouble he had ______________ the work?
| A．on finishing | B．to finish | C．having finishing | D．finishing |
In the great war, he was lucky to escape ___________.
| A．to be killing | B．killing | C．killed | D．being killed |
I ___________________ to stay out in the cold ___________ spend the night there.
| A．would, rather than | B．preferred, to |
| C．preferred, rather than | D．preferred, than |
___________ words and expressions have coming into the English language from American English.
| A． A large amount of | B．A great many |
| C． A great deal of | D．Many a |