The teacher found difficult to believe that Tommy was the laziest boy in class.

How was your trip to New York, Jennifer? — Fantastic! That was the first time I _______ to such a big city. It’s so impressive.

If you don’t keep your words all the time , your best friends won’tyou any more .

Many famous movie stars attended the news briefing (新闻发布会), Jackie Chan and Jet Li. [ ]

We have to work for ________ to finish the work.