英语用所给词语的适当形式或时态填空
improve explain come true care for go climbing
1.The teacher asked him to _______________why he was late.
2.We ___________________if we have time next Sunday.
3.He gave us some advice on how to_______________ our English.
4.They want to do something to _________________wild animals in danger.
5.I think your dream ______________________ in the future.