A lot of language learning, ________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period.
— Did you telephone Uncle Sam our plan for the Christmas holidays on his farm? —Yes, he was happy about our arrival, and he eagerly asked when .
When I got New York, I had to attend a school for students first language was not English.
More than five doctors and rescuers have got to Yushu County up to now.
-- I’m very tired, helping with the clothes. ----Why not take a rest ,then? ----- ________.
Oh, it’s so cold in here. Somebody ____ the window, please.