III. Choose the best option (A, B, C or D) to complete each of the following questions.

Câu hỏi

My father _ a biogas cooker in the kitchen, and the workers _ solar panels on the roof of our house now.

A. puts – are installing

B. is putting – install

C. is putting – are installing

D. puts - install

Đáp án
C. is putting – are installing

Câu hỏi thuộc Bài tập:

My father _________ a biogas cooker in the kitchen, and the workers _________ solar panels on the roof of our house now.