Scientists have many theories about how the universe ___ into being.
A. cameB. was coming
C. had comeD. would come
---- ____ have you stayed in New York?---- For about two weeks.A. How soon B. How often C. How long D. How far
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Many scientists have been probing psychological problems.A．solvingB．exploringC．settlingD．handling
How many hours of housework did men do every week in the 1970s?A．About 23.B．About 26.C．About 13.D．About y.
They _____ with us for the time being.A. would stayB. will stayC. have been stayingD. will be staying
how many newspapers are there in britain?A. About 1400.B. 140.C. About 150.D. About 100.
__________? —About six yuan a kilo.A. How oldB. How muchC. How oftenD. How many
“________have you visited the Great Wall?” “Twice.”A.How soonB.How oftenC.How many timesD.How long
