________ the temperature falling so rapidly， we couldn‘t go on with the experiment.
举一反三
- It was___that we couldn't go camping. A: so hot a day B: such hot a day C: so hot day D: such hot
- But for your help, we _________ in the experiment. A: didn't succeed B: can't succeed C: couldn’t succeed D: couldn't have succeeded
- The story was so funny that we _________. A: couldn't help laugh B: can't but laugh C: couldn't help laughing D: couldn't help but to
- We ran to the trees, ______we couldn't see any more monkeys. A: but B: so C: and D: for
- We hope to go to the beach. But we won’t go, it is raining. A: .if B: because C: so D: while E: as