The government officials met the workers and engineers working on the stadium, most____ were migrant workers.
.It was _____ his mother came in _____ to prepare his lessons.
._______ has already been pointed out, grammar is not a set of dead rules.
.You should try to _____ new circumstances as quickly as you can
.---I’ m sorry, but I didn’t mean__________ out your secret.---But you know, letting out one’s secret means________ one’ s feelings.
.He made another wonderful discovery, _______ of great importance to science.