Iii. choose the underlined word or phrase in each sentence that needs correcting. 1. a robot can builds houses, apartments and offices. a b c d 2. scientists are working on how to invent a intelligent robot. a b c d 3. if we plant more trees, the air will be more fresh. a b c d 4. if you will help me, i will lend you my new bike. a b c d 5. he is going to take an umbrella but it is raining heavily outside. a b c d