66) Science and technology is now considered __ be the instruments of all comforts and prosperity.
Choose the correct preposition.
A) of
B) for
C) to
D) by
67) The ticket collector __ the passenger, “Please show me your ticket.”
Choose the correct option.
A) told to
B) asked to
C) asked for
D) asked
68) Osmium is __ of all known metals.
Choose the correct option.
A) a heaviest
B) the heaviest
C) an heaviest
D) heaviest
69) Rajneesh is a friend of __
Identify the appropriate pronoun.
A) mine
B) my
C) myself
D) me
70) They __ in New York for the past ten years.
A) are staying
B) had being staying
C) have been staying
D) has been staying