—Is it for two months ______ they have stayed here? —No,it is only three weeks ______they arrived here.
. —Your school is really wonderful. —Yes, it’s very modern. And every student has free ________ to the school library.
. It is generally considered unwise to give a child________ he or she wants.
. . People used to think that heavy objects always fell faster than light ________.
. He has been doing the job for many years, but has never felt ________ it, though his workmates think it is a ________ one.
. The faces of four famous American presidents on Mount Rushmore can be seen from a ________ of 60 miles.