【题目】Vince ________ come out to play with us because he ________ help his mom in the garden. ( )
A.can; have to B.can; has to C.can't; have to D.can't; has to
【答案】D
【解析】
“文思_____出来和我们玩因为他不得不在花园里帮助妈妈。”既然要帮助妈妈，就是不能出来玩，前一空用can’t，he是第三人称单数，have用单三式has，故选D。
