.Howdidyouknowthesurprisingnew

.
---How did you know the surprising news?
---I happened _______ the event then.

A．to be covered

B．to have covered

C．to be covering

D．to cover

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----A little worried. We _________ ground as a leader in the field of IT with the others speeding up development.

A．have lost

B．are losing

C．lost

D．were losing

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The latest data put forward by the states suggested that the business ___ improving.

A．was

B．be

C．being

D．should

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He is _______ a good teacher. He is also his students' good friend.

A．no more than

B．not more than

C．no less than

D．more than

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---There are only a few, _______________.

A．if any

B．if some

C．if many

D．if much

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Without proper lessons, you could ____ a lot of bad habits when playing the piano.

A．give up

B．catch up

C．keep up

D．pick up

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