— ________ did your uncle leave his home town?.
— Let me see. He _______ for nearly twenty years.
| A．When; has left | B．When; has been away |
| C．How long; has left | D．How long; has been away |
—Who’s that at the door?
—_____ is John.
| A．It | B．Her | C．She | D．This |
如果你向玛丽介绍自己，你应该说：_______
| A．Hello! Ann. | B．Nice to meet you! |
| C．Good morning! | D．My name is Ann. |
— Your bag looks heavy. Do you need a hand?
— . Thanks all the same.
| A．I can manage it | B．Yes, please |
| C．It’s really kind of you | D．My pleasure |
---What are you going to do this weekend?----- I _____ yet.
| A．didn’t decide | B．won’t decide |
| C．haven’t decided | D．have decided |
Which of the following signs can you often see next to a lake?