As a soldier , you ____ do as the head tells you .
Parents should try to create a friendly ______ in their family, which helps their children develop self-confidence at an early age.
Larry asks Bill and Peter to go on a picnic with him, but ______ of them wants to, because they have work to do.
Most of the evidence was destroyed in the fire. ______, it would be almost impossible to prove Jim guilty.
As many as five courses are provided, and you are free to choose ______ suits you best.
—Boy students, could you come downstairs to help me carry those books?— OK, Miss Liu. We ______.