They are made________14 hours a day．
A．work
B．to work
C．worked
D．working
The MP3 is used for________music．
A．listen to
B．listening
C．listening to
D．listen
I won’t believe that the five-year-old boy can read magazines________I test him myself．
A．if
B．but
C．after
D．until
—What do you think of this football match？
—I’ve no idea．But________is believed that the Spanish team will win．
A．that
B．this
C．which
D．it
Potato chips were invented by a chef called________．
A．Martin Robinson
B．Stephen Hawking
C．George Crum
D．James Naismith
My dad doesn’t like the sour________in the slightest．
A．sound
B．smell
C．taste
D．sight
