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A.helped B.are helping

C.were helping D.help

—I________the Internet at home．

A．am surfing B．surfed

C．will surf D．was surfing

——___________.

A. She is a teacher B. She is kind to us

C. She is in the library D. I don’t know

A．wash B．washed

C．am washing D．was washing

A．heavy B．heavily

C．strong D．strongly

A. called up B. laid out C. tried out D. called out

A. was listening; is watching B. listened; were watching

C. was listening; watched D. was listening; were watching

【題目】—Is (大家)here today?
—Yes.