－I wonder if I__________smoke here．
一NO, you . You see，there is a“NO SMOKING”sign here．
| A．may；needn’t | B．must；can’t | C．shall；won’t | D．can；mustn’t |
With the help of high technology, in the past few years, electronic business __________to bank industry, travel industry.
| A．applied | B．have applied |
| C．had been applied | D．has been applied |
We all know the truth ______ there are air, water and sunlight, there are living things.
| A．in wherever | B．where | C．that where | D．that |
Look at the mess the boys made! You _______ have taught them how to behave themselves.
| A．must | B．may | C．can | D．should |
_______ I paid a visit to this scenic spot, I was deeply attracted by its beauty.
| A．Firstly | B．For the first time |
| C．The first time | D．At first |
______ has an interest in the lecture can go for a ticket from the office next to the gate of the lecture room.
| A．No matter who | B．Whoever | C．Anyone | D．Those who |