Many a professor _____ looking forward to visiting Germany now. Many scientists _____ studied animals and plants in the last two years.
The world seven continents and four oceans.
form the moon, our earth with water .seventy percent of its surface, appears as a blue ball.
The foreign guests, by an interpreter, came out of the hall.
Einstein was usually his scientific study that he even forgot to eat.
Tom felt that he himself , rather than the girls, for the failure of the football match.