How many birds are there ? There are__________.
A.eightB.8 o’clockC.cold
当前题号:1 | 题型:选择题 | 难度:0.99
照样子, 计算。
例: Eighty minus twenty is sixty.

1. ________________________________

2. ________________________________

3. ________________________________

4. ________________________________

5. ________________________________
当前题号:2 | 题型:汉译英 | 难度:0.99
Fifty ________ ten is forty. (    )
A.minusB.plusC.and
当前题号:3 | 题型:选择题 | 难度:0.99
从方框中选出合适的词填空。
minus  fifty  markers  plus  erasers
1. I have many ________. I can draw pictures with them.
2. He has three ________.
3. My friend Jim has ________ books.
4. Ten ________ twenty is thirty.
5. Ninety ________ thirty is sixty.
当前题号:4 | 题型:填空题 | 难度:0.99
Forty ________ twenty is sixty. (    )
A.minuB.plusC.and
当前题号:5 | 题型:选择题 | 难度:0.99
The missing numbers ________ eighty and seventy. (    )
A.isB.areC.am
当前题号:6 | 题型:选择题 | 难度:0.99
看图, 补全下列句子。
1. I have ________ erasers.

2. I collect ________. I have ________.

3. —You have so many ________.
—I have ________.

4. —What ________?
—I collect ________. I have ________.

5. —You have so many ________.
—I collect ________.
当前题号:7 | 题型:None | 难度:0.99
Twenty ________ ten is thirty. (    )
A.minusB.plusC.bus
当前题号:8 | 题型:选择题 | 难度:0.99
判断下列句子与图片是(√)否(×)相符。
(    ) 1. You have so many markers.

(    ) 2. I have forty pencils.

(    ) 3. — What do you collect?
— I collect erasers. 

(    ) 4. Twenty plus forty is sixty.
当前题号:9 | 题型:判断题 | 难度:0.99
— How many pencils do you have?
— I have ________. (    )
A.nineteenB.nineteenthC.ninth
当前题号:10 | 题型:选择题 | 难度:0.99