You will get a good grade on the exam provided<i>_________</i> .<br/>(A)studying<br/>(B)study<br/>(C)to study<br/>(D)you study<br/><br/>I chose A and D <br/><br/>___________was late, I missed the appointment.<br/>(A) I<br/>(B)Because<br/>(C) The bus<br/>(D) Since he<br/><br/>I chose D<br/><br/>Am I right?