Ms. Silva sent the memo ______ it had been approved.A．soB．butC．afterD．until

We sent the injured to the hospital_______ the accident happened.A、quicklyB、immediatelyC

______(47)A. The application is then sent to the

______(48)A. The application is then sent to the

______(49)A. The application is then sent to the

______(50)A. The application is then sent to the

__________（47）A.The application is then sent to t