The new treatments ______by Norman Bethune helped a number of soldiers.
A. invent B. invents C, inventing D. invented
He doesn’t do his homework________. So he always makes some mistakes.
A.careful enough | B.enough careful | C.carefully enough | D.enough carefully |
I find _______difficult to get to sleep because the man upstairs made much noise.
A.it | B.this | C.that | D.him |
--- You look ______,Paul. What’s the matter?--- I’m having trouble ______ math.
A.tired, to learn | B.worried, learning | C.frustrated, to learn | D.angrily, learning |
-- I don’t know ______ with this problem. It’s too hard.
--- You can ask Mr Wang for help.
A.which to deal | B.when to deal | C.what to deal | D.how to deal |
I used to go to sleep ________ my bedroom light ________.
A.with, open | B.with, on | C.and, open | D.in, on |