1 David is rich -he (drives/is driving) a mercedes

2 you won't find tom at home right now .he (studies/is studying) in the library

Chọn và giải thích

1, David is rich -he (drives/is driving) a mercedes.

-> Cấu trúc thì HTĐ ( "is rich" ): S + V ( s/es )

2, You won't find tom at home right now .he (studies/is studying) in the library

-> Cấu trúc thì HTTD ( Câu trước có từ " now " ): S + am/is/are + V-ing.

                                      Tham khảo nha ^_^