----Are you cold? ----No, __________.
When the boss came in, these workers pretended to________ carefully.
People often have this belief ___development is bad for the environment, but this does not have to be true.A which B whose C that D when
The children were ______ for the accident. After all they were so young.
—Mary, let’s go to the bookshop this weekend. Will you be ______? —Sorry, but I’m going to visit my uncle in the countryside.
—Oh, dear! I forgot the air tickets. —You ______ something.