It must be kept in mind that　　　　 lifelong study can you survive in the highly competitive society.

A. only when　 　　 B. until then　 C. only through 　　D. until When

Mary won’t attend the Party even if ______.

A. is invited 　　　 B. inviting 　　 C. to be invited 　　　 D. invited

他很焦虑因为他母亲不停地跟他说叫他更努力学习。（anxious 焦虑的）

______________________________________________

If you were older, I ____ you to go there yesterday.

A. will allow B. should allow C. would have allowed D. had allowed

The boy was seen ______ the piano at 9 yesterday evening.

A. to play 　　　B. play 　　　　　 C. playing 　　　　　　D. played

I have no one _____ me, for I am a new comer here.（ ）

A. help　 B. helping　 C. to help　 D. to have helped

You can't get in without a_______ (通行证).?

The visitors a　　　 beauty of the park.?

My advisor encouraged ______ a summer course to improve my writing skills.

A. for me taking　 B. me taking　 C. for me to take　 D. me to take