孕卵着床的时间为受精后第
A. 2~3天
B. 3~4天
C. 5~6天
D. 6~7天
E. 8~9天
一、PartA:从下列各题的A、B、C三个选项中选出最佳答案完成简短对话。SpeakerB:______
A. ThisisJanespeaking.
B. What’swrong?
C. Whoareyou?
2.SpeakerA:I’llgotoHongKongforatripnextweekend.SpeakerB:Great!_______
A. Bestwishes!
B. Haveagoodtime!
C. Goodluck!
3.SpeakerA:Youhaveabeautifulvoice.Iloveyoursongs.SpeakerB:______
A. No,I’mnot.
B. Thankyou.
C. That’sallright.