意义一致

1. There are 55 students in our class. 19 are girls. The rest ___________(be) boys. 2. The number of frogs here ___________(be) surprising. 3. A number of boys _________(be) swimming in the river. 4. all 指人用复数, 指概念用单数 All _________(be) here. (All the people) All _________(go) well. All that can be done ___________(have) been done.

are

is

are

are

goes

has