The girl you ___ yesterday is waiting for you at the gate.
Đáp án C: Relative Clause
_______ has been a topic of continual geological research.
It is stated in the passage that____________________ .
__________ John Kennedy was elected president, he was the youngest American President ever.
The packages___________________ so that it would be easier to carry them.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
Only one of our gifted students______to participate in the final competition.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
She asked me______I was looking at.
The pool should not be made so deep______small children can be safe there.