－Where is David?

－He ________ to Turpan．He ________ the day before yesterday．

went, left

has gone, left

has been, has left

has left, went

－Listen!Our teacher is playing the music of Sound of Music．

－________!

What a sweet music

How sweet music

What sweet music

－Sophie, you haven't finished your work, have you?

－________ I finished half an hour ago．

Yes, I have．

Yes, I did．

No, I haven't．

－I'm sorry to have kept you waiting so long．

－It doesn't matter．I ________ here for only a moment．

have come

have arrived

have been

－What are you doing alone?

－I'm busy ________ my lessons．

reviewing

review

to review

－Who's the little baby in the photo, Susan?

－It's me．This photo ________ ten years ago．

took

was taken

was taking

－What did your father do last night?

－He told me a story．It is ________ one I've ever heard．

the funniest

funny

funnier

－How do you feel when you watch the national flag go up?

－It always makes me ________ very proud．

felt

to feel

feel

－Would you like to go hiking with us tomorrow?

－Sure, ________ I am busy．

since

unless

when

－Can you hear me?

－Sorry, I can't．Would you please speak ________?

clearly enough

clear enough

enough clearly