All the seats in_________class had been taken, so she had to buy a more expensive ticket.
- economy class seat = a low-priced class of travel accommodations= ghế giá rẻ
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
_______ has been a topic of continual geological research.
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
The examination was not very difficult, but it was_____________________ long.
I am sorry I have no time at present to____________________ detail of our plan.
______ his brother, Mike is active and friendly.
He_______________us but he was short of money at the time.
The Lake District,____________________ was made a national park in 1951, attracts a large number of tourists every year.
We all agree that she is____________________ student in our class.
She asked me______I was looking at.