Doing exercise for_____ hour every day is good for your _____ uncle.
| A．a, an | B．an, an | C．a , / | D．an , / |
—Where’s your friend?
—She Shanghai.She won’t be back next week.
| A．has been to;after | B．has been to;until |
| C．has gone to;until | D．has gone to;after |
—have you visited the Summer Palace?—Nerver.
| A．When | B．What time |
| C．How long | D．How many times |
—Who has been to the USA?—.
| A．None | B．Nobody | C．All of | D．None of |
Do you know the answer the question?
| A．with | B．to | C．of | D．on |
Tom’s mother has twice.
| A．been abroaded | B．went abroad |
| C．gone abroad | D．been abroad |