When the whole area was ______ by the flood, the government sent food there by helicopter.
A.cut away B.cut down C.cut up D.cut off
None of the servants were _______ when Mr. Smith wanted to send a message.
A.available B.attainable C.approachable D.acceptable
Science and technology have ______ in important ways to the improvement of agricultural production.
A.attached B.assisted C.contributed D.committed
______ energy under the earth must be released in one form or another , for example, an earthquake.
A.Assembled B.Accumulated C.Attempted D.Advanced
Eye contact is important because wrong contact may create a communication ______.
A.barrier B.bar C.blame D.blank
The questionnaire takes ______ ten to fifteen minutes to complete and can be used along with the assessment interview.
A.apparently B.accurately C.approximately D.adequately