You don’t know ______ I want to see you again. It’s ayear since I last saw you.A．how soon

Those who do exercise _____ in our club have showed amazing improvements in health and weight

y countries have sent up man-madecommunication satellites to _____ the earth, which is made possible for eachhousehold to use TV

It is______ of you to cooperate with such a bad man.

My mother has been a Chinese teacher ______ about twenty years