The message is very important, so it is supposedas soon as possible.
.We decided to turn to ___ can help us out.
.--- What do you think made Mary so upset? --- __ her new bicycle.
.They ___ out because the light’s on. Let’s go upstairs and have a look.
.I think ___ necessary ___ a foreign language.
.At the meeting I suggested that every class ___ divided into eight groups.