Rewrite the following sentences in such a way that they mean almost the same as those printed before

Rewrite the following sentences in such a way that they mean almost the same as those printed before. 
    1. Tom was lazy, so he failed the exam.
     Because Tom     
    2. Let’s decorate the house for Tet. 
     I suggest    
    3. Why don’t we speak English in class?
     I suggest that     
    4. They are good teachers of Math.
     They teach     
    5. Shall we go the movies tonight?
     What about    ?