First impressions are the most lasting.After all, you never get ________ second chance to make ________ first impression.
It’s strange that she ____have failed to see her own shortcomings.
His teacher worried that the student spent too much time on the computer and not enough time _______.
The teacher talked in a very low voice_____make himself________, clearly.
________is well known that great changes have taken place in China recently.
The path______the park is lined with many trees.