Pauline has lost her phone. –No. It’s in herbag. I _________ hear it.

After a cold winter vacation, many people always stay at home, never exercise outside, so they usually _____ a few pounds.

Do you think he will do me

Many scientists believe that the universe began with an enormous explosion called the “Big Bang”, ______ happened about 13.7 billion years ago.

matters most in learning English is enough practice.