The hard-working peasants and their happy life _____ we saw in the countryside made a wonderful impression on us.
(2012年天津卷,2)The letters for the boss _______on his desk but he didn't read them until three days later.
In China,as we all know,brides are often dressed in red as it is a ______of good fortune.
Your suggestion on how to improve English writing ability is too general. Could you make it more________?
The school made it a rule that the students should ______to their feet when class begins.
-How much sugar did you put in my coffee? It tastes so bitter.-I'm sorry to say that there's ______left. I've forgotten to buy _____on my way home.