你想提醒别人要小心，应该说：
A: Come in!
B: Go out1
C: Be careful!
A: Come in!
B: Go out1
C: Be careful!
举一反三
- 你想要问别人“这是什么?”应该说__________ A: Goodbye. B: Hello. C: What’s this?
- 以下有关安全的表达错误的是 A: look out 看外面 B: take care 保重 C: be careful 小心 D: watch your step 小心台阶
- ---Let's go out to fly kites, shall we?----OK. I (). A: will come B: am going to come C: come D: am coming
- 17. When the couple _______ here, they ________ to the park. A) will come；will go B) come；go C) will come；go D) come；will go
- let's go out to play football, shall we?ok, I ____。(2.0) A: will coming B: be going to come C: come D: am coming