1.Please bring some raincoats just .... case 
A. to  B.at  C. for  D. in
2. if you have.... money , you can travel aboard this summer
A. many  B. a lots  C. a lot of  D. lot of 
3. What is the picture ... you want to buy ?
A.who  B.Whom  C.which  D. that
4. Music and painting are ... subjects 
A. opioning  B .OPTIONALLY   C. option  D. optional