--- _______ will the fog and haze(雾霾) last? ---I have no idea. There is no sign of an end.
What’s that ________English? It’s a map.
-----________? -----My name is Mary.
----- ________ is the quilt?----It’s red.
-----What’s this? -----It’s ________.
-If you have any trouble, be sure to call me. -______________.