It was with the help of the local guide ______ the mountain climber was rescued.
A. who B. that C. when D. how
—What’s all that noise about outside?
—Oh, I forgot to tell you. The road to the railway station ______.
A. will be widened B. is to be widened
C. has been widened D. is being widened
We human beings should be very careful with what we do with nature, _____power is beyond our understanding.
A. that B. which C. whose D. where
Scientists are convinced ______ the positive effect of laughter ______ physical and mental health.
A. of; at B. by; in
C. of; on D. on; at
Everybody in the village likes Jack because he is good at ______ and telling jokes.
A. making up B. turning up
C. putting up D. showing up
Kids will be ______ about everything when they reach a certain age.
A. anxious B. curious
C. cautious D. conscious
