If you can’t decide which of the two books to borrow, why don’t you take __________? I won’t read them this week.
He had decided to give it up , but on____ second thoughts he decided to try___ third time.
.As is known to all,____ tiger is in____ danger of dying out.
British people always talk about wether.
He is doctor at all. Don’t trust him.
He is a member of our .