问题
scarf is nice, but the price is a little bithigh— _______, but if you want good quality, you have topay more
A:cleaned
B:have worked
C:was cleaning
D:have been cleaning
B:have worked
C:was cleaning
D:have been cleaning
正确答案是：
同类题型
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________works late, and is very busy when people goout to dinners.