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 |