Your brother seldom goes to the library reading books, _______ ?
seldom ( hiếm khi) đã mang nghĩa phủ định, nên vế láy đuôi sẽ phải ở thể khẳng định .
Education in many countries is compulsory________the age of 16.
We must push the piano to the corner of the hall to_____________________ our party tonight.
_______ has been a topic of continual geological research.
She asked me______I was looking at.
Standing on the tip of the cape,____________________ .
Supporters of free-market globalization point out that_____________________ .
The pool should not be made so deep______small children can be safe there.
He_______________us but he was short of money at the time.
I am sorry I have no time at present to____________________ detail of our plan.
The examination was not very difficult, but it was_____________________ long.