---- Why is the cake so expensive?---- Maybe you don’t know a cake made of wheat costs less than _____ made of rice.
With summer coming on, the weather gets hot _________.
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
America was____________ was first called" India" by Columbus
. To everybody's surprise, the fashionable young lady ___________ to be a thief. A. found out B. proved out C, put out D. turned out
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.