A. Rewrite the following sentences without changing their meaning. Use the given word(s) if any.

43. The English exam wasn't as easy as I thought. (DIFFICULT)
→ The English exam was more difficult than I thought.
44. I studied a lot for her biology test. However, she didn't pass it.
Although I studied a lot for her biology test, she didn't pass it.
45. It's the rules to remove your shoes and belts when you go through the airport security checkpoint.
→ You must remove your shoes and belts when you go through the airport security checkpoint.
46. It's not necessary for Laura to take part in the sports day if she doesn't want to.
→ Laura doesn't have to take part in the sports day if she doesn't want to.

B. Use the given words or phrases to make complete sentences.
47. Jack / pleased / because / he / get / A / biology test.
→ Jack is pleased because he got an A in the biology test.
48. Trains / be / most popular form / public transport / the United Kingdom.
→ Trains are the most popular form of public transport in the United Kingdom.
49. Riding / bike / fast / go / bus / in rush hours.
→ Riding a bike is faster than going by bus in rush hours.
50. Tommy / not have / as much / homework / his sister.
→ Tommy doesn't have as much homework as his sister.