This is _____ best kind of _____ pen you can get here.
| A．the, the | B．the, a | C．the, 不填 | D．a, the |
Help! Tom ________ an accident.
| A．will have | B．has had | C．was having | D．had had |
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 |