When did your parents get back home last night?—At around ten o’clock.

Shall we go to visit Mr. Wang now?—Mr. Wang________here now. He left for Shanghai by air this morning.

Selina, are you____________ member of the swimming club?—No, but I joined _________art club last month.

Xu Beihong is for his horse paintings.

He turned around, but he couldn’t see_______.