选择括号内适当的单词填空。
1. David and I (am/are) in the same class. David (likes/is liking)making model planes, but I
(don't like/don't).
2. Mr Black is my (first/the first) PE teacher. He is (the best/better) in our school.
3. Let the old woman (gets on/get off) the bus first.
4. The (Australia/Australian)man is coming. I would like to (be/do)his (friends/friend).
5. This skateboard is yellow. It's (their/theirs).