—Your mother becomes more and more forgetful.

—Yes. She searched for her cellphone for a whole day last Sunday but it ___ in her coat pocket the next day.

A．turned out        B．turned on         C．turned over        D．turned up

The old man is so ______ that he has to ______ his meals every day.

A．forgettable; be reminded of               B．forgetful; be remembered of

C．forgetful; be reminded of                 D．forgettable; be remembered of

The old professor travelled from one school to another, _______ first-hand information about the education situation in China.

A．to gather          B．collecting          C．getting together    D．to get together

Please never do such things _______ other people.

A．that will do harm to                      B．as they will do harm to

C．as will do harm to                       D．which are harmful to

He dropped the ______ and broke it.

A．cup of coffee      B．coffee’s cup      C．cup for coffee      D．coffee cup

—What are you doing outside the class? Didn’t you hear the clock ______?

—Sorry, sir. I ______.

A．strike; didn’t notice                    B．striking; wasn’t noticing

C．is striking; didn’t notice                 D．struck; wasn’t notice

—Why are you so disappointed?

—I went there hurriedly and waited there for 3 hours, ______ the tickets have been sold out.

A．being told         B．only to tell         C．telling            D．only to be told

—Thank you very much.

—It’s a piece of cake compared to your saving my life: I am forever ______.

A．in your debt       B．in debt            C．getting into debt    D．remembering you

Everyone knows that________ is dangerous to play with fire, but________ is difficult is to prevent children from playing with fire.

A．it; it              B．what; what         C．what; it           D．it; what