12. The science museum is definitely ______.
(A) a worth visiting
(B) a visit worthy
(C) visiting a worth
(D) worth a visit

翻譯：這個博物館絕對值得一遊。

definitely 無疑地

☆某事值得被做

= Sth be worth +Ving
= Sth be worth +N

= Sth be worthy +to be Ved
= Sth be worthy +of N
= Sth be worthy +of being Ved

worth adj. 有…的價值

worthy adj. 有價值的

某事值得被做

Sth be worth + N

= Sth be worth + Ving                     Ex. This book is worth reading.

= Sth be worthy + to be Ved               = This book is worthy to be read. (read 三態: read/read/read)

= Sth be worthy + of being Ved          = This book is worthy of being read.

= Sth be worthy + of N

worthwhile adj. 值得去做的

值得去做某事

It be worthwhile to + RV(原形動詞)   Ex. It is worthwhile to read this book.

=It be worthwhile + Ving                        =It is worthwhile reading this book.

C?

請問(A)和(D)多一個a的差別在哪？