TLC检查盐酸普鲁卡因注射液中的特殊杂质对氨基苯甲酸时需采用
第1题
While I_____ to the supermarket by bus, I_____ an old friend.
A. was going, met
B. went, met .
C. was going, was meeting.
第2题
The old man had ______ in his hand.
A.a bus
B.all umbrella
C.an old walk-stlck
第3题
A.A.being waited
B.B.waiting
C.C.having waited
D.D.waited
第4题
We met the old man ______ times on the way home.
A.dozen of
B.dozen
C.dozens
D.dozens of
第5题
While ______ in the supermarket, I met an old friend of mine.
A.being shop
B.shop
C.shopping
D.shopped
第6题
While ______ in the supermarket, I met an old friend of mine.
A.being shop
B.shop
C.shopping
D.shopped
第7题
We met the old man ______ times on the way home.
A.dozen of
B.dozen
C.dozens
D.dozens of
第8题
The old man ______ the memory of his dead wife.
A.embraced
B.disclosed
C.cherished
D.stored
第9题
Mr. Green saw the old man ______
A.in the strue
B.in the park
C.at the bus stop
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