Students  should ______ to choose their own uniforms.
#44721
A
allow
B
allowed
C
are allowed
D
be allowed
推荐题目
The old house with a garden ______ 80 years ago.
#44546
A
built
B
build
C
was built
D
is built
The flowers _______often.
#44458
A
must be water
B
must be watered
C
must watered
D
must water