1.______a seven-second delay between transmission of the signal and when it can be heard on computerA.It is B.There is C.It has been D.There has been2.You _________tell him.He is fully aware of the danger.A.mustn't B.haven't to C,don't have to D.can;

seven seven 1.______a seven-second delay between transmission of the signal and when it can be heard on computerA.It is B.There is C.It has been D.There has been2.You _________tell him.He is fully aware of the danger.A.mustn't B.haven't to C,don't have to D.can; seven students went to the cinema last night,______A Tom including B included Tom C Tom included D include Tom为什么是C?求详解. seven seven seven two 单词变形1.obvious a.-------______ad.2.confusing a.-------______a.-------______v.3.variety n.-------______pl.-------______a.4.differ vi.-------______n.-------______a.-------______ad.5.settler n.-------______v.-------______n.6.steadily ad.-------__ ask him ______a question Is ______a banana,______? 1.the town is 20 miles______hereA far from B far away from C away from D away2.during the spring festival many people can have a ______holidayA seven days B seven-day C seven-days D seven-days' seven(序数词) Seven是什么意思/.. english seven seven是什么意思? seven 意思 Seven Letter seven people 还是 seven peoples? Seven and seven is f{ } 选错并改正.（ ）1.Who are that man?______A B C( )2.Our new P.E.teacher's name are Linda Smith.______A B C( )3.He is a tall and thin girl.__________A B C