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【单选题】
The difference between average total cost and average variable cost______.A.
is constant
B.
is total fixed cost
C.
gets narrower as output decreases
D.
is average fixed cost
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【单选题】He asked me, “Did you see my sister last night?” ----He asked me __________
A.
if I had seen his sister the night before.
B.
whether I had seen your sister the night before.
C.
did I have seen his sister the night before.
D.
that I saw his sister the night before.
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【简答题】句型转换。 1. He asked me, 'How can I get to the bank?'(合并为一句) He asked me how get to the bank. 2. Could you tell me how I can get to the supermarket? (改为同义句) Could you tell me _________ _________ get to t...
【单选题】"Have you seen the film?" he asked me. → He asked me .
A.
had I seen the film
B.
have I senn the film
C.
if I have seen the film
D.
whether I had seen the film
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