Choose the right answer...
1. I was sure that I ___________ him before.
had saw
seen
had seen
2. I needed to know what ______________ to my car.
has happened
had happened
happened
3. The show ________________ by the time we got to the cinema.
had start
had started
has started
4. Mark left the restaurant after he _________ eating.
had finished
has finished
finished
5. I went to bed after I ___________ off the television.
switched
has switched
had switched
6. They had already gone ,when we _____ at noon.
arrived
has arrived
had arrived
7 My son ________ his homework ,when his friend came.
has finished
had finished
finish
เฉลย พร้อมอธิบายประกอบนิดหน่อย
1 had seen ใช้ Past Perfect
2 had happened ใช้ Past Perfect
3 had started ใช้ Past Perfect
4 had finished ใช้ Past Perfect
5 had switched ใช้ Past Perfect
6 arrived ใช้ Past tense ธรรมดา
7 had finished ใช้ Past Perfect
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