His mother is ______. Today is his mother’s thirtiethbirthday.A. thirteen B. thirty C. Thirtieth
________ the teachers is about 300 in our school and it is becoming_____________.
When I met Daniel at the station ______ the first time, he was in the waiting hall _____.
Female pandas usually have one or two babies ________.
I don’t know if he_______ tomorrow. If he _______, I will call you.
-Would you like to go bird watching with me this weekend? -____________, but I have to ask my parents first.