It’s the third time ____ I have been here.
_______, follow the directiom on the bottle carefully.
He is said___________a book on the history of Chinese tone bridge , but I don’t know if he has finished it. A. to have written B. to be writing C . having writing D writing
There are boys__________from 7 to 14_______age. A. ranging , of B rang , in C. ranging , in D. range , of
While shopping ,people sometimes can’t help_____into buying something they don’t really need.
The experiment turned out to be______failure, but “_________failure goes before success” A a , a B /, / C a , / D / , a