We find ________ impossible to get there before dark.
Can you tell me _____ there are any good museums in the city? A. if B. unless C. although
E-mail English _____ uses two types of words. A. mainly B. strongly C. gradually
The water in the lakes and rivers in Shandong becomes ______ because of the dry weather . A. less and less B. more and more C. fewer and fewer
David ______ his friend’s invitation in order to stay at home and have a good rest. A. expected B. refused C. received
I think zoos can provide homes ______many endangered animals. A. for B. with C. to