It is a common ____ to have a cake with candles to celebrate a holiday ,birthday or any other occasion.
#5121
A
law
B
rule
C
tip
D
custom
推荐题目
Scientist are not sure about the ___________ of water on the Mars.
#6679
A
occupation
B
existence
C
demand
D
treasure
There are three ____ doing research work in the company.
#7341
A
women scientist
B
woman scientist
C
woman scientists
D
women scientists
 In this research, two are _____, and the others are _____.
#6655
A
Swisses, Germans
B
Swiss, Germen
C
Swisses, Germen
D
Swiss, Germans
—Anything ____?  —Yes, Something as ____, two coffees, one bottle of beer and some fruit.
#6645
A
following; following
B
to follow; followed
C
to follow; follows
D
followed; follows