The floor is wet. Who’s going to ___________ ?
| A．mop up it | B．mop up them | C．mop it up | D．mop them up |
Linda’s aunt and uncle _______ workers.
| A．are all | B．are both | C．both are | D．is both |
---Come in and make yourselves at home.
---__________.
| A．Yes | B．Sure | C．Good | D．Thanks |
________ he study? --- In a middle school
| A．Where is | B．What does | C．Where do | D．Where does |
Michael works _______ a farm. His sister works ____ a factory.
| A．in, in | B．on, on | C．in, on | D．on, in |
My aunt Lisa is _______ office worker.
| A．a | B．an | C．/ | D．the |