344. Is this the pen you bought it last Sunday?

343. It is I who is right.

342. The students were praised because having made rapid progress.

341. My brother didn’t stop play outside until my mother called him.

340. We shall never forget what that the headmaster said at yesterday’s meeting.

339. Is it true that some Germen will come to our school next week?

338. I t is known to all that Lu Xun died in 30’s.

337. We all find it difficulty to learn physics.

336. In the end of the class, the teacher taught us an English song.

335. She reached early in order to sit in the front.