شرکت در آزمون آنلاین
زبان انگلیسی 1
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درس 3
| آزمون شماره 673
1
He has invited me to a restaurant. There's no ................ thing as a free lunch.
2
The latest scientific ....... into cancer shows that environment is the most important factor in the development of the disease.
3
The elderly woman with an old stick fell down while she ............. the busy street.
4
It's easier to write a song and about personal ............ than to talk about them.
5
The professor said it was imperative that assignments ....... handed in on or before their due date.
