Mary made coffee ____ her guests were finishing their meal.
A. so that B although C. while D. as if
相关试题
It ’s well-known that ________ information is very important to businessmen.
| A．having collected | B．collecting | C．collected | D．collect |
People usually believe thatboy must learn to stand up and fight likeman.
| A．a; a | B．a；the | C．the; the | D．a；不填 |
A poet and artist _____ coming to speak to us about Chinese literature and painting t
omorrow afternoon.
| A．is | B．are | C．was | D．were |
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