Our English teacher is strict ______ us.——I think they’re good ______us.

It was some time________we realised the truth.[ ]

k together to achieve our commonpurpose：_________worldthat is safer, cleaner and healthierthan one we found．

Andrew was very tired ________ shopping for a whole afternoon but his wife still wanted to go to another shop.

You need to pay your bill immediately,____your water and electricity will be cut off.