---Have you seen Dr. Adams recently?---No. He __________ Hong Kong for an important meeting. He’ll come back tomorrow.
— Excuse me. Is the museum open every day?— . It’s only open from Monday to Friday.
—Could you tell me_________? I’d like to take part in it.—On July 5th.
The rivers will become dirtier and dirtier ______ we take action to protect them.
-- Have you finished reading your book yet?--- No, I’ll finish it in _____ ten minutes.
Not only Linda but also I _______ out of breath at the end of the race.