In some cases, different approaches __________ the same scientific problem lead to the conflicting theory.
—Do you think students’ using mobile phones has any advantages? —.
No bread eaten by man is so sweet as earned by his own labor.
—Mum, have you seen my mobile phone? —you bought last week? I’m afraid I haven’t seen .
The 28th summer Olympic Games in its born place .
I don’t mind picking up your things from the store . ,the walk will do me good .