When he was doing the software development project, he ___________ many problems that he had to solve on his own.
---What shall we do tonight then? ---___ – whatever you want.
I often have conversations with John over ______ telephone, whileI keep in touch with Tom by ______ letter.
Time is limited and let's come______ to the point.
Can you imagine the trouble that they had ___ the orphan in the terrible years?
It is the second time that I____ in Beijing