The scientist’s many years’ careful observation ____ a surprising discovery.
— Excuse me, sir. My visa is due at the end of this month. Can I _____ it?— Sure. You can just go to the Public Security Office in our city to fill in some forms.
we are making bigger holes in the nets ,________to avoid catching fish that are not fully grown.
--- Do you think I should get a good guide book ?--- Yes , of course. ______ , you also need a good camera and comfortable shoes
Under such circumstances, it is little ________ that they experience difficulties.
She wonders ______ it is that has made him ______ he is now.