We were having a picnic when _______ there came a downpour, which was really a wet blanket.
________ I close the window? It's so cold here.
I bought a new dictionary and it ________ me 30 yuan.
--Must I clean the room now? --No, you __________.
It is better to teach a man to fish than ________ him fish.
.--How long have you ________there? --About four years. ~