I carry only enough money to make change for a ________ bill．

A．ten－dollar

B．ten－dollars

C．tens－dollar

D．tens－dollars

One out of every twenty students ________ tired of the course．

A．is

B．are

C．was

D．has been

________ of the forest is covered with trees of broad leaves, while the rest ________ pine trees．

A．Three quarters; is

B．Three quarters; are

C．Three fourths; are

D．Three fourth; is

The first place ________ we visited in that city was a big factory．

A．where

B．in which

C．that

D．which

This is the very room ________ I slept in that evening．

A．that

B．which

C．where

D．at which

He has a strange character, ________ makes him difficult to get along with．

A．who

B．which

C．that

D．where

The cloth ________ they made clothes is very beautiful．

A．from which

B．by which

C．of which

D．into which

－I enjoyed the food very much．

－I'm glad you like it．Please drop in any time you like．

－________

A．Is it all right?

B．I'm afraid I won't be free．

C．Yes．I will．

D．That's great．

Helen was much kinder to her youngest son than to the others, ________, of course, made the others envy him．

A．who

B．that

C．what

D．which

I work in a business ________ almost everyone is waiting for a great chance．

A．how

B．which

C．where

D．that