______hit me suddenly ______ I had forgotten her birthday.
A quantity of new books written by Liu Yong,a famous writer in Taiwan,are __________ in a month.
She __________ an old friend of hers yesterday while she was shopping at the department store.
—My son has won the singing competition. —__________!
The book __________ ten units, two revisions
—Why didn't he attend the meeting yesterday?—__________ he caught a bad cold and now he is in hospital.