MARK THE LETTER A, B, C OR D ON YOUR ANSWER SHEET TO INDICATE THE CORRECT ANSWER TO THE FOLLOWING QUESTION

Câu 7: Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to the following question. Mr. Pike is always willing to help, but he doesn’t want ___________ at home unless it is an emergency. A. to be called B. calling C. called D. call