The experiment shows that proper amounts of exercise, if ________ regularly, can improve our health.
A.being carried out | B.carrying out |
C.carried out | D.to carry out |
The manager suggested an earlier date ____________ the meeting.
A.on | B.for | C.about | D.with |
I _____ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.
A.make | B.look | C.take | D.think |
Small sailboats can easily turn over in the water ______ they are not managed carefully.
A.though | B.before | C.until | D.if |
. Leaves are found on all kinds of trees, but they differ greatly ________ size and shape.
A.on | B.from | C.by | D.in |
Reality is not the way you wish things to be, nor the way they appear to be, ___ the way they actually are.
A.as | B.or | C.but | D.and |