i．单项选择： 21. is it _______ to you that the government is having a hard time now? a. of much important b. of much consequence c. of very important d. of many consequence 22. something must be done to ______ the river from _________. a. stop; being polluted b. stop; polluting c. prevent; pollution d. keep; polluted 23. there ______ quantities of apples in the basket and there was ______ milk in the bucket. a. were; a number of b. was; quantities of c. was; a good many d. were; a quantity of 24._______ we get good weather it will be a successful holiday. which is wrong? a. so long as b. provided that
