After retirement, learning a musical instrument may be harder than ______ when you were a kid.
#69678
A
it may
B
it was
C
it does
D
it did
推荐题目
In an experiment, pet owners are being encouraged to take their pets to work, a move _______ can be good for both the people and the pets.
#74659
A
that some scientists say
B
in which some scientists say
C
some scientists say that
D
some scientists say
Here we have beef, fish and fruit. Help yourself to ______ you like.
#67490
A
whichever
B
however
C
whatever
D
whenever
It was an exciting moment for these fans this year, _____ for the first time in years they saw their favorite singers.
#69663
A
that
B
which
C
when
D
while