This is _____ ruler, and that is ______ ID card.A.an;an B. a, an C. an,a
----He is ____________ the cleverest student I've ever taught. ---- Yap! And he is always patient and kind-hearted.
----Smoking should not ____________ in school. ----I agree. It’s bad for our health.
----Martin Murray used to be afraid of being __________. ----But now he realizes that his mother is always there for him.
----I __________ whether June is a good time to visit Hong Kong. ----Well, it’s believable that the weather then in Hong Kong is satisfying.
----May I have a picnic with my friends this afternoon? ----I'm afraid not. _______ you have finished your homework.