The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
People gathered round to see___. A.what was the matter B.what the matter was C.what the matter was D that the matter was
They like ___ better than mine.
As she has little money with her, I am not able to borrow __ from her.
Days in winter are shorter than ___ in summer.
--Do you know any Russian? –Yes, but ___.