---What _____ useful book! And ______ book is popular with students.A. a, a B. a, the C. the , the
---__________ is the History Museum from here? --- About a kilometre away.
---_______girl is your sister? --- The one under the big tree.
--- You look very cool today, Simon. --- ___________
---How often does Dick exercise? --- ____________.
It’s too late. Let us ________ there.