A friend is the one who you can trust and will not leave you alone when you are in need of help.
They met with a lot of difficulties in building the railway in Tibet, but they _____until it was completed.
When we were young, we tried to spend our time all kinds of games in the fields.
Fortunately, Tony jumped back to prevent himself from being hit by the taxi, which was running at a great speed.
The news came from the school office at about 8:00 pm the new headmaster will come to our school tomorrow morning.
Charlie was to respect the old, so he is always friendly to the old people he meets with.