—It’s reported that the new underground line has been completed.—Yes but it hasn’t been made clear _____it’s to be opened to traffic.
_____ admission rate up by 60%, the school has had another excellent year.
China has been pushing the reform of public hospitals ____ all its citizens.
I never know how colorful my life would be until I ____ my first college teacher last term.
Sir, you _______ be sitting in this sitting room. It is for women and children only.
You are supposed to collect the mistakes you have made. You will make the same mistakes ______.