When I got home I saw a message pinned to the door ____ “Sorry to miss you, will call you later.”
27.—Did Li Lei call me while I was out? 28. —Yes, it was ____________that called you. 29.
30.Nothing is wrong with the radio___________? 31.
27.I don't know_____________makes her afraid of having her business discussed.
28.Which sentence is wrong? 29.
33.I don't think_____________difficult for a Chinese student to master a foreign language within five years 34.