อกคำตอบเดียว
a. natural
b. various
c. available
d. several
Question 2
คะแนน: 1
In order to increase the sales of some goods, customer __________ need to be studied.
เลือกคำตอบเดียว
a. performances
b. manners
c. characters
d. behaviors
Question 3
คะแนน: 1
There are many _____________ for people to be healthy. One of them is to exercise every day.
เลือกคำตอบเดียว
a. suggestions
b. decisions
c. advantages
d. solutions
Question 4
คะแนน: 1
Peter was very sad because he wasn’t __________ to Jane’s birthday party.
เลือกคำตอบเดียว
a. adopted
b. accepted
c. informed
d. invited