1.use past perfect continuous to complete the sentences. 1her eyes were red .it was clear she (cry).2.mrs thompson (wait) for 3 guartdrs of an hour defore hue secretary came.3.jane was tired.she (do) her room since afternoon.4.alec said he (stand) there since 6 o'clock.5 jill (study) english for five years defore she visited the usa .5.it was late at night when he realized that he (work) with computer for 5 hours.

1.Her eyes were red . It was clear she had been crying. 2.Mrs Thompson had been waiting for 3 quarters of an hour before his secretary came. 3.JANE was tired. She had been doing her room since afternoon.4.Alec said he had been standing there since 6 o'clock.5 jill  had been studying english for five years before she visited the USA .5.it was late at night when he realized that he had been working with computer for 5 hours.