Jack stood _______ except that his lips moved slowly.

The result is not very important to us，but if we do win，then so much ________.

—The guard keeps         watch at the gate.—So he does. Only those         knows well could be let in.

In that school, English is compulsory for all students, but French and Russian are _______. 

 Living in a highly     society, you definitely have to arm yourself with modern technology and skills.