Only when he apologizes for his rudeness ______ to him again.
A. I will speak B. will I speak
C. do I speak D. I speak
It doesn’t matter if they want to come to your party, ______?
A. doesn’t B. does it
C. don’t they D. do they
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
