I don’t know when he _____. When he _____ here, I’ll call you in a minute.

－Oh, it’s you, Steve! I ________ you－No surprisingI’ve just had my hair cut

Many little children suffer from kidney stone and the disease is reported _____by the milk powder they eat. [ ]

Sam someknowledge of the computer just by watching others working on it.

To_____ his position in the country, he appointed his close friend Henry as head of the troops