With these words, Tom went on ________ his homework.
A：do
B：to doing
C：doing
D：does
关于领土的说法，正确的是（ ）
用科学计算器计算：8+3sin56°≈____．（精确到0.01）
下列收缩压/舒张压的数值中，可能患有高血压的是（ ）
The book is worth____.
