The first P in the PPP teaching model stands for __________ ， which aims to get learners to perceive the form. and meaning of a structure.
A. practice
B. production
C. presentation
D. preparation
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In ordinary conversations， participants are expected， first of all， to __________， otherwise，communication would break down.
A. stand straight
B. coordinate
C. speak the truth
D. cooperate
__________ she heard her grandfather was born in Germany.
A. That was from her mum
B. It was her mum that
C. It was from her mum that
D. It was her mum whom
Before you leave the office， __________ all lights are out.
A. see which
B. seeing that
C. to see that
D. see to it that
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