.The large grassland, reaching out far away, looks extremely beautiful _______ the blue and clean sky.
. I ______ pay Tom a visit, but I am not sure whether I will have time this Sunday.
-Mary didn’t turn up last time, did she? -No. She ______ . We had changed our plan.
They must have finished the work by the end of last month, ______?
-I didn’t know you were good friends. -You ______. I have known her since she moved here. You were studying abroad then.
.-Is there any flight to Tokyo today? -I think there ______, for the weather is too bad.