Last Sunday, we visited the factory _____ my father ever worked for four years.
#55913
A
where
B
which
C
what
D
that
推荐题目
----_______is your sister?     ---She is thirteen years old. 
#56258
A
How many
B
How old
C
How much
D
How long
There ________ children playing games in the park. 
#57573
A
has much
B
are many
C
is much
D
a lot of
You can’t get good grades______ you study hard.
#55627
A
when
B
because
C
unless
D
that