A、has been
B、had been
C、having been
D、being
第1题:
I think I must have ______ my purse at home.
A. forgotten
B. missed
C. left
D. taken
第2题:
A.catch
B. witness
C.caught
D. witnessed
第3题:
Despite the wonderful acting and well-developed plot the _________ movie could not hold our attention.
A) three-hours B) three-hour
C) three-hours’ D) three-hour’s
选B
用破折号连接的作形容词不用复数.
第4题:
A. fated
B. wandered
C. conducted
D. witnessed
第5题:
I am committed _______ part in the meeting.
A、to taking
B、to take
C、taking
D、taken
第6题:
已知wire [31:0] bus;则下列说法真确的是 。
A.bus [31]是bus的最高有效位
B.bus [0]是bus的最高有效位
C.bus [31]是bus的最低有效位
D.bus [0]是bus的最低有效位