It was in the lab _____ was taken charge by Professor Wang ______ they did the experiment.
____ you may be right , I can’t agree completely.
— Why do you want the book so much? — ____, sir.
I hear Mr. Smith was writing a story last year and he still ____.
You have made a few spelling mistakes in your composition, but ____, it is fairly good.
— Would you like to go to the cinema with me this evening?— I’d like to, but I won’t be free tonight. Let’s make ____ some other day.