He started to learn English in 1990 and in the years ________ he kept on using it in his work.
In one corner of the garden there stands a tittle board,_______“Keep off the grass.”
Some miners are trapped when the local mine was flooded,but luckily,400 kilograms of milk ________to them during the rescue.
—What do you think Mr.Green is like?—Haven’t you seen through him?I have warned you again and again that men of this kind______
—The dumpling is very delicious!Thank you for inviting me to eat.—______.I’m glad you enjoy it.
, we lack practice and experience nowadays in dealing with the complicated economic situation.