Choose the word that is CLOSEST in meaning to the underlined part in the following questions
Câu 1: The air conditioner Mary has just bought is very hard to use.
A. boring
B. difficult
C. simple
D. easy
Câu 2: Let's wait here for her; I'm sure she'll turn up before long.
A. return
B. arrive
C. visit
D. enter
A.
B.
C.
D.