You shouldn't wear those dirty shoes in the house!_______
A: 'We don't have any milk.' B: 'Really? I ______ more.
""Where ______ ?""
The foreign student advisor recommended that she ……… more English before enrolling at the university.
Which is correct?
Where on_______did you put your keys?
I posted the letter one month ago. It is very ……… that my friend hasn't received it yet.
The neutral mutation rate is known -------- widely along human chromosomes, -------- to mutational hot and cold regions.
I fell off a ladder a few years ago and I have been scared of heights ever_______.
Amy: Who was president first, John Adams or Thomas Jefferson? Betty: Thomas Jefferson, I think. Amy: I think it was John Adams. Betty: Fine, I'll check the Internet.. ... Oh. Okay. --, it was John Adams. He was the second president, after George Washington.