I’m quite sure that it is___ impossible for me to fulfill the task in only two days without anyone to help me[ ]

Hardly __________ the Shanghai Expo_________ we realized we forgot our ID cards in the room.

The weather is ______ in London, andumbrellas are very popular.

下列各句中，没有语病的一句是（ ）

________ doing more exercise to lose weight, many teenagers would rather be a couch potato[ ]