—Which do you prefer，a CD player or a Walkman？
—________．I prefer a portable computer．
| A．Both |
| B．Either |
| C．None |
| D．Neither |
Jamie is a cook ________ ideas are changing school dinners.
| A．who | B．whom | C．whose | D．that |
They often leave the boy alone at home. They think that he’s old enough to look after _____.
| A．them | B．himself | C．themselves | D．him |
He met many problems------ he was going over his lessons.
| A．before | B．as soon as | C．since | D．while |
One of the wonders of the _____ world is the pyramids in Egypt.
| A．old | B．natural | C．modern | D．ancient |
We all agree that a pair of shoes _____________a nice present.
| A．are | B．is | C．were | D．have |