“______something valuable and throw the rest away,”the mother asked her children when they were cleaning the old house.

How is everything going on with you in Australia?—Quite well Not so smoothly as I hoped, _______

Finnish President said Finland-Chinarelations had progressed_______ with fruitful co-operation in new and high-techfields

We had hoped to catch the 10：20 train, but _____ it was gone

Let’s learn to use the problem we are facing ______ astepping-stone to future success．