moment they enrolled.是定于从句么 省略了that是么?能帮我讲讲么They have been studying hard from the moment they enrolled.\x05顺便问下vi可以加从句么

x��S�r�P��,u�7�2�.��! 3%0��RK*`CpZĶ�N�!A` &�|���X�ޗ �҅�n��$y��{�977J.��fT� RꞤj��Ύ�ܢo�ψW#~ �.�R�Xk�5��;,��c�>?��i��Gxa聠I%�������[x��Kk�1�OJ��ٌh$���᳻���\.�M��/�i��w��^�P���8���a�oi�����8o|�A��Ӕ�������4eo0�d�}��-0fp������ポ�".�~�Mژ��1W'�G������m�z`�y�;&�x��.<ڜ.���i�`'}0�l�C�A��5� p�|qz�S����>�ǻUL�"L����
�}�tԡ� H��~����uC���UξDr�c
=����E9Z~�� 2���(%�O����U��:Z���^v�´�pX'�K�g❶g����K���Z|�vJxX�%����o�#�N���9��>����7lƣ�^�Î��+����vc6�=2�q��+��
P���