Our classroom   _______   by us every day!
#44538
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
推荐题目
I prefer_______ rather than________.
#44782
A
to be a teacher; be a nurse
B
to be a teacher ;to be a nurse
C
being a teacher; being a nurse
D
be a teacher; be a nurse
The 29th Olympic Games _____ in Beijing in 2008.
#45017
A
is held
B
was held
C
holds
D
held