Mr.Tuan works from  6 a.m …………… 6 p.m

5. Mr.Tuan works from  6 a.m …………… 6 p.m.
A: at                          B. in                         C.until                       D. up
6. This book is …………… than that one.
A. more  expensive   B.most  expensive   C. expensiver            D. expensive
7. ………….. terrible weather !
A.What                     B. How                     C. What a                  D. What an
8. We will have a day ………… this week.
A. of                         B. on                         C. at                          D. off