therearecertainlytimeswhengivi

_________ there are certainly times when giving up trying is the right thing to do, in most cases all needed is commitment and communication.

A．Unless

B．Before

C．Although

D．Since

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---Hi Mary, haven’t seen you for a long time. __________
--- Fine. What about you?

A．How are you doing?	B．What are you doing?
C．How do you do.	D．What do you do?

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After completing and signing it, please return the form to us in the envelope ________.

A．providing

B．provided

C．having provided

D．provide

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_______the Teachers’ Day ,the students are cleaning the classroom.

A．In spite of	B．In celebration of
C．In search of	D．In place of

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I need to get another dictionary, because cover is dirty and page is missing.

A．a; a

B．a; the

C．the; a

D．the; the

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—I often see him working hard in his spare time.
—________he has won the scholarship from time to time.

A．No wonder

B．No doubt

C．No way

D．No problem

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