Firstborn children __________more readily with parental authority because, among other things, they are often put in charge of younger brothers or sisters.
A.identify B.recognize C.observe D.value
The transportation system has been __________in the years since Rio de Janeiro was no longer the capital of Brazil in 1960.
A.circulated B.involved C.neglected D.concerned
They had __________wandering through the streets arm-in-arm every evening after dinner.
A.taken over B.taken to C.taken off D.taken in
The number of __________is now estimated at about 200 billion.
A.existed stars B.existing stars C.stars into existence D.stars existent
Walk down the main street, and the post office is on your right. You won’t __________it.
A.omit B.ignore C.miss D.deny
He stepped back, gazed at the statue, and then carefully put the finishing __________to his painting.
A.motions B.touches C.drives D.decorations