18．--- Tom has a lot of parties recently.
---Yes, that may ____ why he didn’t do well in the test.
A, sum up B. add up to C. account for D. make sense of
Whoever ________ a crime can never escape from being punished.
| A．commits | B．does | C．makes | D．earns |
His remarks ________ me in my opinion that he was a very considerate boy.
| A．concerned | B．contacted |
| C．confirmed | D．considered |
John received an invitation to dinner, and with his work ________，he gladly
accepted it.
| A．finished | B．finishing |
| C．having finished | D．was finished |
After questioning the man for six hours，the police ________ the information they wanted.
| A．seized | B．recovered |
| C．appealed | D．obtained |
The Olympic Games，________in 776 BC, did not include women players until 1912.
| A．first playing | B．to be first played |
| C．first played | D．to be first playing |