30. He’s making_____great progress in his lessons that everyone else in his class can’t believe it.
______a certain doubt among the people as to the practical value of the project.
It’s the first time that he has been to Australia ,______?
昨日重现二———特殊句式(倒装、强调等) So sudden _____that the enemy had no time to escape .
At the beginning of class, the noise of desks______could be heard outside the classroom.
____in red , she looks very beautiful.