The story happened in________ and the hero was in his________.
A．1840s；thirty B．the 1840s；thirty
C．1840s；thirties D．the 1840s；thirties
Can you tell me the way you think of________ the problem?
A．to work out B．working out C. work out D．to work
As a new graduate，he doesn't know ________it takes to start a business here.
A．how B．what C．when D．which
The snow lasted a week, ________a serious traffic confusion in the whole area.
A. causing B. cause C. to cause D. caused
About________of the workers in that steel works________ young people.
A. thirdfifths; are B.threefifths; is C. threefifths; are D.thirdfifth; are
--- Did you tell Julia about the result? ---Oh, no, I forgot. I _____ her now.
A. will be calling B. call C. will call D. am to call
