______, he got a low mark in the exam— He _______ [ ]

employment rate has continued to rise, ________ 9.8 percent in September.

There are only _________ new words inthe passage, but I know _________ of them.

下列各句中，没有语病的一句是 (3分)

The Great Wall travels ____ deep valleys, ____ deserts and ____ mountains[ ]