Only after my friend came ________.
—His work is well done in __________ way. —Yeah, if his colleagues (同事) had not been in __________ way, he would have done his work better.
—Can you keep an eye on my bag? I need to go to the washing closet. — __________. It'll be safe with me.
—What a noise! I can hardly stand it. —It __________ as if they are having a party next door.
—But I don't know how to play the piano. — __________.
He tried his best to solve the problem, __________ difficult it was.