单项选择题
A ______ of small glittering fish swam by.A.packB.swarm...
单项选择题A ______ of small glittering fish swam by.
3-G takes ______ market share. In the last quarter, 20%...
单项选择题3-G takes ______ market share. In the last quarter, 20% of the sales were 3-G phones.