Please fill in either can or cannot. Thanks

Question 2 1 pts 1. An allocator cannot move allocated blocks to the end of the heap to maximize throughput. 2. An allocator Select ] pad a heap block to meet memory alignment requirements. 3. An allocator [Select ] handle heap requests in an arbitrary order by reordering them to improve heap memory utilization 4. An allcator Iselect ) use the uninitialized data segment to satisfy heap requests if needed. 5. An allocato I Select] create larger free blocks by coalescing adjacent free blocks when needed