A. Fill in the following sentences with CAN, HAVE TO, MAY, MIGHT, MUST, NEED, SHOULD, SHOULD NOT, MUST NOT, COULD NOT to make each sentence grammatically correct.
1. He ____ go skating because he broke his leg 2. Many children in Britain ____ wear school uniforms. 3. I'm not sure but Jane", ____ come to visit me this afternoon 4. Didn't you see the sign? You ____ drive more than 30 miles 5. He speaks a lot of languages, but he ____ speak Chinese. 6. It ____ snow. It looks like it. 7. You ____ drive on the right in Philippines. 8. He is a good boxer. You____blanke be careful 9. You ____ to smoke in the office. 10. This test will be very difficult. So you ____ learn a lot.​