It is said that sixty percent of all energy ________ in the world today is being lost as wasted heat.
A.produced | B.producing |
C.to produce | D.having produced |
7. You should put on the notices ______ all the people may see them.
A.where | B.in which | C.at | D.for them |
6. _____ I suggest, he always disagrees.
A.however | B.whatever | C.Whichever | D.Whoever |
5. “Was his father very strict with him when he was at school?” “Yes. He had never praised him _______ he became one of the top students in his grade.”
A.after | B.unless | C.until | D.when |
4 You will succeed in the end ____ you give up halfway.
A.even if | B.as though | C.as long as | D.unless |
35. I had just stepped out of the bathroom and was busily drying myself with a towel ____ I heard the steps.
A.while | B.when | C.since | D.after |