How can I make sure my feet ______, Doctor Li?
“Where is David?” “He is upstairs ______ ready to go out.”
To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
Mr Reed made up his mind to devote all he had to _______ some schools for poor children.
It is said that in Australia there is more land than the government knows _______.
Robert is said _______ abroad, but I don’t know what country he studied in.