Camels can walk a long way without __________ . A. to drink B. drinks C. drinking
----Are these gloves _____________? ----No, they’re not ____________.
Please be careful _________ your things from now on.
Bears live in cold countries, ______ they sometimes live in hot countries, too.
----Are you getting ready for Spring Festival? ----_______________. We are busy doing it these days.
----Hello! What are you doing now? ----We ____________ the school trip.