7. —Taking in less fat and salt and doing more exercise must be a reliable method of keeping fit, _____? —Of course. Why not try it?A. mustn’t theyB. mustn’t itC. aren’t theyD. isn’t it不是两个动作吗?用they6. —European

x�픿nA�+��<@|i4V"��HE�D뻱w���iw/�:KP$ ��BBJaQ�Hx��l��W`v�I� ��w{3�����4��[��v�X*T���B�9`*
�d��h��� >C��ɭ�&�R���#t\'�[�"f>�%�<��2�BZ��X��1/@i� ���((���;:�X�j�;�τ���0���E �<��'����~9�8~9,�����ӝ�����Fg�T�i���P�B�ՀR�����*'���[�\Ř�<5�f���m�Ί��$EG�h��?D�Yf���M�n#��9�U�iX�:^��GM8��#�̉u��k� +��[
�aq�G�+e��Ҧ���h21��M͹rF�%WI�t��ar��� cW�^�Jf˯��`�x��m^
7E?�D$�B��~ߡ�MbLzS��m��=�S�ά-@3w� ]���8����'C쌯|f�jV�ԣ��u��~p��"j4o�t�8g��X̖��?��z��T�;��vq=�_���,^�7���2�?���{F�J=�0��N���?�/G[��'����h��?�xC�N��O6��6cj�/�_�L)