How long is it since you picked up your badminton training? —It was not until my finance became better last December _______ I started the training.

With his good sense of direction, he _____ quickly and easily get round in the new city.

you worked here since you graduated—No, I ____________at a factory in Beijing for sixyears.

Shall we go sailing in the sea tomorrow—______ It’s reported that there will be a hurricane(飓风) tomorrow.

I think we were ____by the waiter with the restaurant bill. It was much more expensive than I expected.