If it were not for the fact that she ________ sing, I would invite her to the party.
The company promised to pay some money for the customers __ ___ their shoddy(伪劣的)goods and ______ an apology in public.
The country’s population ______ small, and most of its population ______ in the mountainous areas.
---What a long queue! --- Yeah.We ________________ up in the past few hours for tickets back home.
Your essay _________ beautifully.Is it the one I saw you writing yesterday?
Misunderstandings resulting from lack of social communication, if not ______ properly, may lead to serious problems.