1.the snow__start in a moment a)could b)may c)can d)should 2.i know him well__to ask for money a)enough b)too c)to d)that 3.my friend __his book for an hour a)has been reading b)reads c)read d)have been 4.he __to come tomorrow a)may b)will be able c)can d)was able 5.we have known each other__chidhood a)con b)since c)while d)when