---Are you sure you have to do it? It’s been very late.-----I don’t know ________I can do it if not now.A .where B. why C. when
Best wishes ____ children _____ June 1st.
Mr. Lin gave us some _____ how to learn English well last week.
She doesn’t want to do it; we have to find ____ to do it.
----Can he work out the maths problem? ----I think _____ hard for him to work it out.
_____speak more English in class?