搜题
王老师:19139051760(拨打)
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第1题

Being engaged ithe research work, Dr. Yang seldom goes anywhere ________his office.
· iplace of
· except to
·ia
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第2题

______ enough money, we begato carry out our travelling plan.
· Collecting
·To collect
·Having collected
· C
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第3题

By the end of this year, they _______ a new program iEurope.
· had started
· start
· am starting
· will have
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第4题

Johhad never beeabroad before, ________ he found the business trip very exciting.
· because
· though
· so
·
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