They all appeared ___ this song before.

A. to learn   B. to have learned   C. to not have learned   D. not learning from

The boy was seen ___ his bikecycle while riding in the street.

A. to fall off   B. fall off    C. to jump off    D. jump off

He worked late into the night yesterday. That’s ___ he couldn't get up on time this morning

A. how   B.why    C. what    D. when

　— Have you read this book?

　　　　— Yes. But that one is ________ worth reading.

　　A. best　　　　　B. more　　　　　C. better　　　　 D. much

The day breaks，______ the birds are singing.

A. because     B. as     C. since     D. for

________ everyone else wouldn’t go to the mountain area, he went without a second thought.

　　A. As long as　　　　　　　　　　 B. While

　　C. Where　　　　　　　　　　　　D. In spite of

Crusoe ___ a boat, but he failed.

A. meant to build  B.meant building    C. had meant to build   D. had meant building

The wet weather will continue tomorrow, when a cold front          to arrive.

A. is expected                    B. is expecting

C. expects                       D. will be expected

—Do you think he will do me a favor?

—As far as I know，he is the last one to help others.He_______be prepared to give you a hand，though.

A.must                         B.might                        C.can                           D.should

The building______next month will be a modern hospital.

A.built　　　　                                              B.being built

C.to be built　　　　                                      D.be built