If _____ carefully, the experiment will be successful.
--- Seems that Jack is very rich. He is always changing his cars. What is he? --- ______, but I am not quite sure.
They are just trying to reach a point ______ both sides will sit down together at the table.
______ at the news that her eyes rained tears.
Mr. Smith was so angry at all ________ Robert was doing _________ he walked out angrily.
--- I don’t mind telling you what I know. --- You_________. I’m not asking you for it.