_______they visited the Science Museum, they showed great interest in everything they saw.A For the first time B. At firstC. At the first time D. The first time
I had no idea ____ is better, so I took ____ of them.
The headmaster hurried to the concert hall only ___ the speaker ____.
The thing that_____ is not whether you fail or not, but whether you try or not.
_____ is no need to argue again the problem.We settled it at the last meeting.
---You speak very good English. ---_____.