quangqack
New member
- Joined
- Mar 2, 2014
- Member Type
- Student or Learner
- Native Language
- Vietnamese
- Home Country
- Vietnam
- Current Location
- Vietnam
Please explain the Sentence
They searched _________________for the missing documents but they were never found
a. to and fro
b. high and low
c. back to back
d. up and down
Please show me about answer. Thanks inadvance
They searched _________________for the missing documents but they were never found
a. to and fro
b. high and low
c. back to back
d. up and down
Please show me about answer. Thanks inadvance