I went to Hefei yesterday.(改为一般疑问句)

Did you go to Hefei yesterday?
还有疑问就追问.2. The weather was very bad. (改为否定句)The weather ________ ________ very bad.3. The girls had a good time on the school trip.(改为同义句)The girls ______ ______ on the school trip.4. The science teacher cleaned the bus yesterday afternoon. (对划线部分提问)________ ________the science teacher ________ yesterday afternoon?2was not3 enjoyed themselves4 What diddo 先自己做，实在想不出来了就问。