The summer holidays are not far away _________ we can stay at home and read some good books.
A.where | B.when | C.why | D.in that |
When it______ air pollution, Beijing faces the three “C” s-----cars,coal and construction,which lead to Beijing's thick air pollution.
A.refers to | B.comes to | C.happens to | D.speaks to |
______ it have been the failure to pick up directions from the ground control that caused the air crash?
A.Must | B.Could | C.Would | D.Should |
The one concern for parents and students is ______ if the student pursues their university education in a foreign country, the student will not have the opportunity to establish social contacts in China.
A.what | B.that | C.whether | D./ |
. Not until the train pulled into the next station ______ her suitcase gone.
A.Mary had found | B.had Mary found |
C.did Mary find | D.Mary found |
In class, fewer of the students who are not ___ their studies sometimes ____the dying robots
, not listening attentively.
A.accustomed to ; are functioned as | B.accurate in; function |
C.sceptical of; are functioned | D.addicted to; function as |