Our school had about 20 notebook computers but only one-forth_____used regularly. Now we have 50 working all day long.
#86297
A
is
B
are
C
was
D
were
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 Every boy and every girl in our school _____ to join one or two clubs according to their hobbies.
#85738
A
are encouraged
B
encourage
C
is encouraged
D
is encouraging
The secretary and principal ________ at the meeting now.
#86331
A
are speaking
B
is speaking
C
were making a speech
D
have a speech
Maybe you have been to many countries, but nowhere else ________ such a beautiful place. 
#86239
A
can you find
B
you could find
C
you can find
D
could you find