A.know; don’t hear of | B.hear; don’t know |
C.have known; haven’t heard of | D.have heard of; don’t know |
A.had wondered | B.was wondering | C.would wonder | D.did wonder |
A.catch up with | B.keep up with |
C.grow out of | D.put up with |
A.costs | B.takes | C.pays | D.spends |
A.called; advertised | B.called; advertising |
C.calling; advertising | D.calling; advertised |
A.hold down | B.hold up | C.hold back | D.hold out |
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