Half of the workers here ________ under 30 ________.
#86326
A
is;years
B
are;year old
C
is;years old
D
are;years of age
推荐题目
 Many a child _____ lost their parents.
#86191
A
has
B
have
C
is
D
are
It is reported that many a new house        at present in the disaster area.
#85676
A
are being built
B
were being built
C
was being built
D
is being built