I’ve been playing the piano for four hours and I am ________ it.
_____ many times, but he still doesn’t know how to operate the machine properly.
Be ready for the job interview, _____ you may miss the good opportunity.
Looking at the beautiful vase , he could not help saying, “_____”.
______ I was surprised at ______ her positive attitude towards life after losing her legs.
______ can be seen from his face, my father is quite satisfied with my final scores.