شرکت در آزمون آنلاین
انگلیسی 3
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درس سوم
| آزمون شماره 7673
Jack ......... an experiment when the phone rang. He was solving a math problem ......... .
There was the smoke coming up , thicker and blacker , from the edges of the ........................ .
Which of the following proverbs means "wait until your plans work out and you succeed " ?