—Why does Sara know so much about Angkor Wat?—She _______ there,or she may have read about it.
_______ we got to the station, the train had left already.
Tom kept quiet about the accident _____ lose his job.
He is very old, ______ he still works very hard.
I rang you several times yesterday but couldn’t ______.
-----Hi, I haven’t seen you for years. You look well. -----________. You look well, too.