He expressed his hope _______ he would visit China again the next year, and this was the very hope ______ he expressed as soon as he arrived in the country.
I’m going to Europe on vacation together with John if I ________ find the money.
The door ________ open, no matter how hard she pushed.
No one ________ be more generous; he has a heart of gold.
They were determined to carry out the plan at first, but then we ________ persuade them to change their minds.
—Could I use your pen? —Yes, of course you ________.