________ the heavy snow came, the weather got colder and colder.

Those girls enjoyed _____ in the party last night.

Anna, have you ______ seen China’s Got Talent (达人秀)— Of course. I ______ it last weekend.

There are fewer and fewer tigers in India. The situation will continue _______ humans stop hunting them for their fur and bones.

Can we fix a time for the party? —We can’t have the party________none of us have any classes