____ that they are inexperienced, they have done a good job.
| A．Giving | B．To give | C．Given | D．If given |
It’s already 10 o’clock. I wonder how it ____that she was 3 hours late on such a short trip.
| A．came across | B．came out | C．came up | D．came about |
_______ never to come back again, the girl left the poor village without saying goodbye.
| A．Determined | B．Determining | C．Determine | D．To determine |
Measures have been taken to prevent the accidents, but much _____ for more improvement.
| A．remains to be done | B．is remained to do |
| C．remains to do | D．is remaining to be done |
When Fred lost his job, he ____ his sorrows in drink.
| A．dragged | B．drowned | C．adopted | D．drank |
In American there are more households with pets than ____ with children.
| A．those | B．these | C．ones | D．that |