. Is this the reason ______ at the meeting for his carelessness in his work?
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.
On Sundays there were a lot of children playing in the park, ________ parents seated together joking.