The key the earth is to change the way we live.
| A．to save; / | B．to saving; / |
| C．to save; how | D．to saving; how |
The great union we had been looking forward to _______ at last.
| A．comes | B．come | C．coming | D．Came |
The Bull team _____ the football match and they ______ much experience in playing football.
| A．gained, got | B．won, gained | C．won, won | D．got, got |
The cook _____ that the egg ______ on the table was _______ by him.
| A．lied, laid, laid | B．lied, lying, lied | C．laid, lying, lied | D．aid, laid, lay |
The ____ boy was last seen ______ near the river.
| A．missing, playing | B．missing, play | C．missed, played | D．missed, to play |
—According to the weather report, there is likely to be heavy rain tomorrow.
—_______, we’ll have to change the plan for the outgoing.
| A．If so | B．If not | C．Unless so | D．Unless not |