— Hi, I ____ Tony. _____ you Helen?
— Yes, I am.
| A．am, Am | B．am, Is | C．am, Are | D．is, Are |
I want to buy a comic book but there were __________ left at the bookshop.
| A．no one | B．nothing | C．nobody | D．none |
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 |