4 ____ a certain doubt among the students as to the necessity of the work.A There has had B They had C There existed D It existed
The number of women dying from breast cancer has fallen to its lowest level ____ records began in 1971.
.—Margaret ______ stay at home all day long in front of the TV. —That’ s right.She ought to go to the fitness center with us.
We had over 120,000 people here at _____ weekend and expect to have up to ______ third of that number on the beach today
Mr. Smith owned ____ collection of coins than anyone else I have ever met.
.I haven't my photograph album _____, but I'll show it to you later.