This pair of socks ______ worn out. I'll have to buy a new ______.
| A．is, one | B．are, ones | C．is, pair | D．are, pairs |
He was seen____________ the garden just now.
| A．enter | B．entered | C．enters | D．to enter |
-How many ____________did you do yesterday?
-Six Patients were ____________on.
| A．operation,operate | B．operate,operation |
| C．operations ,operated | D．operations,operate |
Nothing will prevent us_________our dreams.
| A．achieve | B．to achieve |
| C．achieving | D．achieve |
-Are you going to Shanghai for vocation?
-Yes.We want you to_______us with some information about it.
| A．offer | B．give | C．show | D．provide |
All of us find_______necessary to take exercise every day.
| A．this | B．it | C．that | D．them |