So far scientists have only acquired ________ understanding of the physical processes that cause earthquakes.
A
A不完全的、部分的B易变的、可变的C原先的、最初的D个人的、个别的
On average about ￡5000 a year is spent on each private school pupil,_______ the amount spent on state school pupils.
The challenge is not one of expansion. _______, the rapid growth in enrollment over the last 40 years has come to an end.
The Roman goddess Venus is identified _______ the Greek goddess Aphrodite.
To a worker, ________ from the point of view of society is necessary labor is from his own point of view voluntary play.