Do you have a pen?I want _____ a letter.   
#48775
A
to write
B
to work
C
writing
D
working
推荐题目
–Which hair band do you like best, madam?–I can’t decide now. I really don’t know _________.
#49336
A
to choose which one
B
choose which one
C
which one to choose
D
which one I should choose it
I don’t know _____ next.
#49598
A
how to do
B
what to do
C
what can I do
D
how I can do