I. Write one word in each gap. 1 I think Jay plays poker, but I couldn't ..... for certain. 2 If one species survives at the expense of another, then I think that's just ..... selection. 3 I'll just call Jimmy to ..... certain he can look after the dogs. 4 The Minister gave the ..... light for the bypass to go ahead. 5 You were a bit hard on him for crashing your car - give him a ..... chance! 6 People are ..... their luck a bit too far when they live on the slopes of a volcano. 7 Global warming will ...... a great threat to mankind in years to come. 8 Just at the moment we had to go out, it started to ...... with rain. II. For each question, write one word which can be used in all three sentences. 1 Have you ever ..... yourself wondering what it would be like to be someone else? I'm surprised you ..... the test so difficult after all that revision. After wandering in the forest for an hour, Gale finally ..... her way out. 2 The problem of conservation is essentially economic in ...... It's only human ..... to want to acquire more wealth. I'm quite a calm person by ....., but things like this make me really angry. 3 Let's go through things again; I don't want to leave anything to ..... Excuse me, but are you, Mr. Whitehouse, by any .....? I mean it - this is your last ..... and next time you make a mistake, you're out. 4 I haven't been at work all week because I've been a bit under the ..... According to the ..... forecast, we're in for thunderstorms. We've had some really awful ..... lately, haven't we? 5 I was wondering how to get home when, as ..... would have it, Ben drove past in his car. The assistant said that I was in ..... and that they only had one pair left but they were my size. You've won by betting on red the last three times, but don't push your .....! 6 It so ..... that I've already decided to do that, anyway. As it ....., we can cancel the demonstration because the council have changed their mind. When a freak storm ....., we are not always given any warning of it. 7 I have to admit to feeling a ..... amount of fear as I stepped into the lions' cage. The press are ..... to find out about this, and then it'll be all over the papers. A ..... Mr. Pratt rang this afternoon about your donation to the WWF. 8 I ..... you must be right about the weather - it feels hot! Don't ask me to ..... at her age as I'd be miles out. You'd never ..... they were married from the way they act in public, would you?