11.The explorers were very tired, but they did not pause. They kept moving and pushing their way through the dangerous, deep snowdrifts. They were afraid that if they stopped to rest they would be _____. (A) relaxed (B) afraid (C) wet (D) buried

17.Our bodies need food and oxygen, and these must be supplied constantly. Food can be stored in the body, so a person need not eat all the time in order to satisfy this requirement. Our bodies cannot store oxygen; therefore, _____. (A) food is harder to find than is oxygen (B) we must keep looking for new supplies of oxygen (C) we must keep breathing all the time (D) oxygen is more important than food

11.The explorers were very tired, but they did not pause. They kept moving and pushing their way through the dangerous, deep snowdrifts. They were afraid that if they stopped to rest they would be _____. (A) relaxed (B) afraid (C) wet (D) buried

其他試題

11.The explorers were very tired, but they did not pause. They kept moving and pushing their way through the dangerous, deep snowdrifts. They were afraid that if they stopped to rest they would be _____.
(A) relaxed
(B) afraid
(C) wet
(D) buried