Mary was born in 1998 and she began to play _______ guitar at the age of seven.A.a B.不填 C.the
You may fail in the exam________you study hard.
The thief got________a fright that he dropped the bag onto the ground.
She was late for class because her mother forgot to________.
Don’t make any________.The baby is sleeping in the next room.
Look!Laura is getting the first place.________fast runner she is!