John didn’t give up looking for a job __________ he got an offer from a German company.
--The man in a black suit _______ be our youth worker.--- I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.
Of the seven days in a week, Saturday is said to be the most popular _______ for a wedding in some countries.
Peter tried on three jackets, but _______ of them fitted him.
---Is Mr. Xi Jinping _______ honest and capable man?---Yes. And that is why he was chosen to be _______ president of our country.
Which of the following sentences is an opinion?