A.listen; hearing | B.hear; listening |
C.be listening; heard | D.be hearing; listened to |
A.living on one’s knees | B.live on one’s knees |
C.on one’s knees | D.to live on one’s knees |
A.slipped; was noticing | B.had slipped; noticed |
C.slipped; had noticed | D.was slipping; noticed |
A.look after | B.take care of | C.attend | D.attend for |
A.look forward | B.look back on | C.look back | D.look into |
A.took on | B.looked on | C.looked upon | D.looked on as |
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