Chọn đáp ấn đúng :
1 , The countryside air is fresh ; =... , it's not polluted .
a , however b , whenever c , moreover d , beside
2 , --... she spoke slowly , I don't understand her .
a , since b , although c , if d , as
3 , People find the water dirty =-. there are some waste chemicals in it .
a , and b , as c , but d , where
4 , =.. you smoke too much , you'll get respiratory problems .
a , if b , though c , as d , because
5 , If she =... hard , she will break past records and set new ones .
a , try b , will try c , tries d , tried
6 , =. it is rainy , I walk home with my umbrella .
a , when b , though c , but d , because
7 , The kids didn't go to the movie last night =... it rained very heavily .
a , and b , but c , as d , now
8 , The air polluted =.. the factories produce a lot of smoke .
a , and b , however c , since d , but
9 , Children should drink milk --... it's good for their health .
a , and b , as c , but d , not
10 , John was ill , --... he went to bed early .
a , but b , so c , because of d , however
11 , I'd love to play the table tennis =- I have to complete an assignment .
a , and b , so c , but d , or
12 , He likes to travel , =. so does she .
a , and b , or c , but d , therefore
