c. been working
Answer: c. been working
6. Our pool pump ________ running properly before the storm.
Baca Juga: Contoh Penggunaan Simple Present Tense di Kehidupan Sehari-hari
a. had not have
b. hadn't been
c. hadn't being
Answer: b. hadn't been
7. My sister’s roommate was upset. She _____ been waiting for an hour.
a. had
b. has
c. have