What l want to know is___dictionary l should buy.A)which B)t

What l want to know is___dictionary l should buy.A)which B)that C)whose D)what
32.The report you have written____many questions we can not avoid.
A)causes B)leads C)gives D)raises
15.As the bus pulled____,there is usually a rush to get seats.
A)into B)in C)out D)out of
19.The____talks were the base of the late agreement.
A)beginning B)original C)initial D)first
16.He has become_____we expected him to be.
A)how B)that C)what D)where