It was ______ the second-hand car that themechanic spent the whole afternoon in the factory

This outdoor training is an exercise, as we know, teenagers’ confidence can be built.

I think kids will study at home on computers ____ ten years.

How about your journey to Mount Emei?— Everything was wonderful except that our car____twiceon the way.[ ]

Not a single word ________ about the way he was treated, but his unhappiness was revealed through his expression.