His failure suggested that he   the teacher’s suggestions．

—What does the sign over there read?—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area. 

It _____ last night., because the ground is all wet 

According to the newly-made traffic regulation, whoever drives through red light      be fined at least 200 dollars．

—A shy boy like John ________ give up a secure job and start his own business!—Yes，nobody had expected that.