Identify the underlined word/ phrase (A or B, C, D) that needs correcting then correct it

Question 4. Identify the underlined word/ phrase (A or B, C, D) that needs correcting then correct it .

1.   If someone came into the store, smile and say, “May I help you?”

A      B                       C                                     D

2. It is the  larger company in the country.

A      B     C                    D

3. If you do not understand what were written in the book, you could ask Mr. Thanh.

A         B                        C                                       D

4. she is the clever student in my group.

A       B                C                 D

5. If anyone will phone, tell them I’ll be back at 11:00.

A   B                       C           D