What the doctors really doubt is ____my mother will recover from the serious disease soon .
| A．when | B．if | C．whether | D．what |
I sight of an empty seat at the back of the bus and went directly there.
A. lost B caught C. looked D. took
_______ in a friendly way, their quarrel came to an end.
| A．Being settled | B．Settled | C．Settling | D．Having settled |
There was a traffic jam. ___________，he was late.
A As a result B As a result of C As the res
ult D As result
The population of China is larger than ______ of the United States.
| A．this | B．that | C．these | D．those |
Did he findhard to learn a foreign language?
| A．that | B．him | C．it | D．himself |