Their factory has developed a kind of ______to help people walk.
A: [A] the machine
B: machines
C: machine
A: [A] the machine
B: machines
C: machine
举一反三
- Their factory has developed a kind of ___ to help people walk. A: machine B: machines C: a machine D: the machine
- The factory has produced a new kind of ____. A: machine B: machines C: a machine D: the machine
- This washing machine factory has introduced a ______ technological innovation making the job of housewives easier.
- Every one of us has ____ machine; _____ machine is _____ brain. A: a… the… the B: a… a… a C: a… a… the D: the… a… a
- This factory produces machine tools.Machine tools ＿＿＿ ＿＿＿in this factory.