【題目】The river is very deep and I’ve warned Jack ________ in it.

【題目】Jack felt really sad after his uncle ________.

【題目】I put on a red coat________ he could see me easily.

【題目】Is there a fast train to Beijing? Please help me ________.

【題目】—I don’t know what ________ for my little sister.

【題目】David finds ＿＿＿ difficult to communicate with his parents

【題目】His sister________ in bed all day because she had a high fever.

【題目】Excuse me, could you tell me ________?

【題目】Sorry, what did you say? I didn’t hear. Would you mind ________ it?

【題目】My cousin Mary was born ＿＿＿ a singing voice.