一 Could you tell me ? I must find him.
一Sorry, I'v no idea. But he was here just now.
A:where Tom was
B:where Tom has gone
C:where can I find Tom
D:where Tom has been
决定人口自然增长率的是( )
读一读,连线。
①How is the weather? ____ A. Yes, we can.
②How many birds are there?____ B. No, I don't.
③Can we ride bikes there?____ C. It's cloudy.
④Is it windy today? ____ D. There are four birds.
⑤Do you like the rain?____ E. No, it isn't.
下列计算结果是负数的是( )