30. More than 20 years ago he was badly wounded in the anti-Vietnam war. Since then he can only walk _____ an arm-chair .
.Jenny was looking for a seat when,luckily,a man____________and left.
Some people eat with their eyes. They prefer to order whatnice.
Tired, Jim was fast asleep with his back_____a big tree.
A great number of students____________ said they were forced to practise the piano.
—____________I take the book out? —I'm afraid not.