中国大学MOOC: The problem is believed ______ at the meeting two days ago.
举一反三
- 中国大学MOOC: If Tom ______ today, he should have started two days ago.
- John bought this beautiful kite two days ago. John has ______ for two days. This beautiful kite ______ by John two days ago.
- Is that the factory ____ you visited two days ago?
- 中国大学MOOC: I ____________ from a college two years ago.
- This is the same girl _____ came to borrow an English book two days ago.