下列各句中，加点的成语使用正确的一项是

30It is the test system, rather than the teachers,______is to blame for the students’ heavy burden nowadays

The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.

The food here is nice enough—-My friend_________me a right place

There will be an English partythis evening, if it doesn’t rain.—Great！ I’ll go and join you then