SOURCES OF ENERGYPRACTICE TEST 1A. PHONETICSI. PICK OUT THE WORD WHOSE...

Tiếng Anh BÀI ÔN TẬP TIẾNG ANH 11 - UNIT 11: SOURCES OF ENERGY

18. "What's all the noise about?" "We had a bad accident...at the factory." A. happening B. happened C. happen D. has happened