GRAMMARComplete the second sentence with twowords so that it means the same as the first.Contracted forms, e.g. isn't, count as oneword.5I'm not sure if she 'll like her present.She___ ___ like her present.6).Wearing a uniform is not obligatory.You___ ___ to wear a uniform.7).The lights are on so I'm sure he's at home.The lights are on so he___ ___.8).I think perhaps this is their house.This__ ___ their house.9).Paying in advance is obligatory at this school.You__ __ pay in advance at this school.10).Drinking a lot of coffee isn't a good idea.You__ __ a lot of coffee.​

5) She may like her present.
Explanation: The word "may" implies uncertainty or possibility, similar to the phrase "I'm not sure if."

6) You don't have to wear a uniform.
Explanation: The phrase "don't have to" indicates that wearing a uniform is not mandatory, similar to the statement "not obligatory."

7) He must be at home.
Explanation: The word "must" suggests strong probability or certainty, similar to the phrase "I'm sure."

8) This could be their house.
Explanation: The word "could" expresses a possibility or uncertainty, similar to the phrase "I think perhaps."

9) You have to pay in advance at this school.
Explanation: The phrase "have to" indicates that paying in advance is obligatory, similar to the statement "obligatory at this school."

10) You shouldn't drink a lot of coffee.
Explanation: The word "shouldn't" suggests advice or recommendation against an action, similar to the phrase "isn't a good idea."