...... you understand the rules in this place, you will feel very comfortable ( so that | whether | in case of | once )
ONCE !
Please read the enclosed manual ........ you have a problem with your device ( if | unless | as long as | as )
IF !
It is necessary to understand ..... customers have high expectations about expensive products ( that | what | although | because )
THAT !
COMPATIBLE WITH có nghĩa là gì?
(ADJ) tương thích với ...
Employees have the option of taking a day off ....... getting extra pay ( or | and | but | both )
OR !
ENVIRONMENT có nghĩa là?
(N) Môi trường
NECESSARY có nghĩa là?
(ADJ) Cần thiết, thiết yếu
The orders that we placed last week are likely to arrive ....... on Wednesday or Thursday ( both | either | not only | neither )
EITHER !