I’ll be _____ to do the same thing in your situation. [ ]

It is uncertain ___ side effects these weight-loss drugs will bring about, although hundreds of thousands of patients have taken it

Sorry, sir. I made a mistake again.— ________. Practice more and you will do better.

No one knows the age of the old man wandering in the street all day, but judging from his appearance, he is in his sixties.

_,he went into the tea-house and seated himself at a little table by the window