Ａlot of language learning, has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
A. as B. it C. which D. this
The athlete’s years of hard training when she finally won the Olympic gold medal.
A. went on B. got through C. paid off D. ended up
The limits of a person’s intelligence, generally speaking, are fixed at birth, but he reaches these limits will depend on his environment.
A. where B. whether C. that D. why
In order to find the missing child, villagers all they can over the past five hours.
A. did B. do C. had done D. have been doing
You can change your job, you can move house, but friendship is meant to be life.
A. of B. on C. to D. for
I remembered the door before I left the office, but forgot to turn off the lights.
A. locking B. to lock C. having locked D. to have locked
