ThoughiPhone4issuchahitproduct

Though iPhone 4 is such a hit product, I won’t buy one unless its after service ______.

A．was improved

B．gets improved

C．is improving

D．had got improved

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Don’t leave the water_______ while you brush your teeth.

A．run

B．running

C．being run

D．to run

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The salesman scolded the girl caught ______ and let her off.

A．to have stolen

B．to be stealing

C．to steal

D．stealing

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11. Though I have often heard this song ______, I have never heard you ______ it.

A．being sung; sang

B．sang; singing

C．sung; sing

D．to be sung; to sing

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____________, they have been struggling against the snowstorm for ten hours.

A．Up to now

B．By the time

C．From then on

D．In the future

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Our teacher looked here and there on our playground ________ looking for something.

A．even though

B．even if

C．as if

D．only if

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