Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.
The silence of the library is sometimes broken by a sudden cough or the sound of pages _____.
It is said that _____ good companion is better than _____ fortune, which can’t buy true qualities.
--- Shall I give you a hand as your case is so heavy? ----Thank you._____.
___he hasn’t come is_______ he is busy writing his novel.
. The meeting was about to end and everyone was in a hurry to leave when Ted insisted_____ Some questions.