Whenever I met her, ______ was fairly often, she greeted me with a sweet smile.
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.
The companies are working together to create_____ they hope will be the best means of transport in the 21st century.