______ there are black clouds in the sky, it may rain.
A: After
B: For
C: Since
D: Because
A: After
B: For
C: Since
D: Because
举一反三
- The black sky was a（n）_______ of rain; that is, it is going to rain. A: indication B: clue C: mark D: proof
- 47. The dark clouds in the sky suggested that it ____ soon. A: rain B: would rain C: should rain D: is going to rain
- There are dark clouds in the sky; it looks as if it _______. A: would rain B: rained C: had rained D: is going to rain
- Which of the following is an opinion? A: There are clouds in the sky. B: The sky is blue. C: I think it will rain. D: It has not rained this month.
- The clouds ___________ it will rain.