en she heard that she failed in theexam, she ______ her face with her hands.
I met an old friend __________ on the train yesterday.[
Don’t __________ at your parents. It’s impolite (不礼貌的).—Sorry, I will not.
How far is it from the railway station to the hotel—It’s about _______ walk.
though they are not doubtful at all _______ John will pass the exam, I still wonder ______ he is fully prepared.