Though ________ experience, he soon got a higher pay by working hard.
A. lacked B. lacking of C. lacking D. lacked in
Come and see me whenever _____.
A. you are convenient B. you will be convenient
C. it is convenient for you D. it will be convenient for you
They covered the body of the little hero with a flag, ____his face to the public.
A to expose B exposing C exposed D expose
To our surprise, the man looking very rude____ his son very carefully.
A. take care B .look after C. attended D .All of the above
The theory he ____ about black hole isn’t understood by most of people.
A .put up B put down C put off D put forward
It will be many years ______ the doctors and medical scientists can find _____ for cancer.
A . since; cures B. when; treatments
C. before; cures D. until; treaments
