（ ） 26．--Where is my pen？ Have you seen ？
--Oh， sorry． I have taken by mistake．
A． it; yours B． them; his C． it; mine D． them; hers
（ ） 27．--We'll have a hiking trip， but when shall we meet？
--Let's make it half past eight the morning for June 21．
A． at; in B．/; on C．/; in D． about; by
（ ） 28．--Don't play with the knife， ．you'll cut your hand
--Sorry，I
A.so， can't B．and， won't C． but， mustn't D． or， won't
（ ）29．--Sam，do you know if Alice ？ to my party next week
--I think she will come if she free．
A． comes; is B． comes; will be
C． will come; is D． will come; will be
