1.You can't
2.You shouldn't
3.You can't fish here. This sign means "No
4.Don't go over there. The sign means "
5.Don't
6.Be
smoke
in the restaurant.2.You shouldn't
litter
in the park.3.You can't fish here. This sign means "No
fishing
".4.Don't go over there. The sign means "
Danger
".5.Don't
eat
or drink
in the library.6.Be
careful
. The floor is wet.答案
1. smoke
2. litter
3. fishing
4. Danger
5. eat; drink
6. careful
2. litter
3. fishing
4. Danger
5. eat; drink
6. careful
