วันพุธที่ 17 ธันวาคม พ.ศ. 2551

Indicating importance

You ___ respect the rules when you walk your dog in this park.a) must b) must not c) have to d) don't have toAnswer a or c
Before you enter the park, you ___ attach a leash to your dog's neck.a) must b) must not c) have to d) don't have toAnswer a or c
You ___ enter the park until your dog is on a leash.a) must b) must not c) have to d) don't have toAnswer b
You ___ allow your dog to run free.a) must b) must not c) have to d) don't have toAnswer b
You ___ pick up your dog's poop (waste).a) must b) must not c) have to d) don't have toAnswer a or c
You ___ take it away with you. You can throw it in one of the garbage cans you find in the park.a) must b) must not c) have to d) don't have toAnswer d
If your dog is running free and the police stop you, you will probably ___ pay a fine.a) must b) must not c) have to d) don't have toAnswer c
Of course, you ___ walk your dog in the park. You can always go somewhere else. There are many places where you can walk a dog.a) must b) must not c) have to d) don't have toAnswer d
You can, for example, walk your dog in the fields or on the beach, but even there you may ___ use a dog leash. a) must b) must not c) have to d) don't have toAnswer c
Many people have had bad experiences with dogs and are afraid of them. You ___ forget that fact when you walk your dog in public.a) must b) must not c) have to d) don't have toAnswer b

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