Listen! There is a knock on the door．Who _____ it be?—It must be Jack．Just now I sent for him．

Once new difficulties _________ in your work, it’s always important to use your brains

Though _____ money, his parents managed to send him touniversity.

you have been to many countries, but nowhereelse _____ such a beautiful palace.

He told the truth to the manager in a way ________ surprised everyone present at the meeting.