The workers are trying to ________ what’s wrong with the machine.
#52804
A
look for
B
care for
C
find out
D
take out
推荐题目
 —Is Mike    friend?—Yes, he and I    good friends.
#58118
A
you;am
B
your,are
C
your;am
D
his;are
–Where are your parents?–They ___________ on the ground.
#61302
A
are lieing
B
lie
C
are lying
D
are liing