83."What courses are you going to do next semester'.?"
“I don’t know. But it’s about time ___ on something.”

220.Which of the following CANNOT be used as a nominal substitute (名词替代词)?

219.Which of the italicized parts indicates CONTRAST?

218.The following determiners can be used with both plural and uncountable nouns EXCEPT _______.

217.Which of the following sentences contains subjunctive mood?

216.Which of the following is a compound word?

215.Facing the board of directors, he didn’t deny ________ breaking the agreement.

214.Which of the following sentences is INCORRECT?

213.Which of the following prepositional phrases is an adverbial of concession?

212.A:Mother, you promised to take me out. B:Well, _________.

211.Which of the following prepositional phrases can function as an adverbial?