Fill in the blanks:
- ______ hard work one can succeed.
(a) Because of (b) by dint of (c) With reference to (d) In order to
- ______ a mishappening the ship could not reach on time.
(a) with a view to (b) Owing to (c) By dint of (d) With regard to
- He shall gain experience _____ of time.
(a) in course (b) due to (c) in order (d) because