Do you need more people_______ you_______ the bird count?  
#54311
A
help; do
B
to help; do
C
help; to do
D
to help; doing
推荐题目
Are you gong to _____the school soccer club?
#61669
A
take part in
B
join in
C
join
D
be in
Mum ________ clothes, so I have to look after my younger sister.
#54056
A
washes
B
is washing
C
washed
D
was washing