MỆNH ĐỀ CHỈ MỤCH ĐÍCH Ex 1 : Choose the correct phrase for the following 1. We worked hard just before Christmas _____ we could really enjoy the holiday A. in order to B. to C. so that D. because 2. John has just got out _____ the paper A. for buy B. to buy C. buy D. buying 3. Take your house keys ____ I have gone out when you comeback A. so that B. in case C. in order that D. because 4. This oven is used _____ bread A. for make B. to make C. for making D. to making 5. John whispered _____ disturb the other passengers on the flight A. so as not to B. to C. for not D. 6. Hockey players wear lots of protective clothing ____ they don't get hurt A. though B. because C. so as D. in order that 7. We keep our bread in the fridge ____ it doesn't go bad A. so that B. although C. since D. in case 8. The mouse ran into its hole ____ avoid being trapped by the cat A. so as not to B. so that C. in order D. to 9. They use chemicals _____ to kill the insects in the trees A. in order B. so as not C. for D. so that 10. They made several complaints to the manager _____ the same mistake not to happen again A. for B. so that C. in order for D. in case