The sweet smell of the flowers in the garden comes in_______the open window，making us feel in a good mood(心情)．
A．on
B．with
C．through
Sunglasses are used ________ protecting your eyes in sunny days.
| A．to | B．for | C．by | D．as |
Leo was late for class again. So he____ clean the classroom after school.
| A．made | B．made to | C．was made | D．was made to |
His wife advised him________ drinking, but he wouldn't.
| A．to give up | B．gives up | C．gave up | D．giving up |
That beautiful skirt is _____ cotton.
| A．made of | B．made into | C．made from | D．made up of |
— Why _____ most stars _____ in the daytime?
— Because the sun is too bright.
| A．can’t; see | B．can’t; be seen |
| C．weren’t; see | D．weren’t; seen |