在美国市场上发行的以美元计价的外国债券称为（）
A.扬基债券
B.武士债券
C.龙债券
D.其它
参考答案：A
The new seatbelt, which is happily accepted by drivers,______ them greater freedom of movement. [ ]
A. requires
B. forbids
C. adjusts
D. allows
—Tom, why did you make no reply when I called your name in the street just now?
—Sorry, Jim. I to my wife on the phone.
A．talked
B．am talking
C．was talking
D．had talked
