Self Check 1 Circle the sentence that forms or uses the noun clause correctly. 1. (a) The chemist is wondering where the molecular compounds are. (b) The chemist is wondering where are the molecular compounds? 2. (a) How quickly the cells divide depend on the health of the cells. (b) How quickly the cells divide depends on the health of the cells. 3. (a) When Australians typically celebrate is with picnics or barbecues. (b) How Australians typically celebrate is with picnics or barbecues. 4. (a) That exercise reduces blood pressure is commonly accepted. (b) Exercise reduces blood pressure is commonly accepted. 5. (a) It is desirable that a foreign-language student use a dictionary in the new language rather than a translating dictionary. (b) It is desirable that a foreign-language student uses a dictionary in the new language rather than a translating dictionary