Tony has been trying to call STC ..................................... three days.

If Muhammed ...... hard he would become a great Engineer.

The boys’ mother told them to finish all of their breakfast, ..................... they stuffed their mouths until…

I am booking my tickets for my summer holiday .............. travel agency do you think I should use?

Lisa forgot her bag at the university, so she ....................... go back and get it.

Which is the BEST WAY to combine the two sentences? “There was a discussion in class today. It was very interestin…