English springboard grade 11 , need have in question 4 please

"dogs make wonderful pets because they us stay happy and healthy"the topic sentence is "dogs make wonderful pets" i need writing a sentence that is unrelated to the topic and can be eliminated.

Read the excerpt. “this is a train-servicing station and we have to wait for a train.” he shakes his head. i smile. “it’d be nice if we could get one.” lauren mizock has revised her draft of “train tracks” to convey plot events using

What is the correct definition of a canal? a) a machine that picks cotton faster b) a large entity that can carry heavy loads c) a man made ditch filled with water d) a boat that can travel up the current