Our teacher often asks us _________ questions in groups.
You have to know ______ you're going if you are going to find the best way of getting there.
Life is a journey with trouble, but with care and wisdom you can____ any problem you face.
It is reported that a space station ______ on the moon in a few years.
During the 12th five -year plan, China ____ great achievements in environmental protection.
I have some difficulty ______English.