4 = can
5 = will be able
6 = was able
7 = can
8 = can
9 = can
I would say true only because it reminds me of annotations and the is very similar to what we do in literacy
(A) green roofs can keep buildings warmer in the winter
(B) Dark roofs take in more heat than white roofs
(C) It is harder to heat buildings that have white roofs