()6.—Do you know ________ students in our school?
—Yes. It’s about ________.
A. a number of; two hundred
B. the number of; two hundred
C. a number of; two hundreds
D. the number of; two hundreds
1.选出不同类的一项。
(1). A. look B. thirty C. stop
(2). A. ninety B. monkey C. sixty
(3). A. at B. it C. they
(4). A. sunglasses B. toy C. seventy
(5). A. little B. eighty C. forty
2.选出下列单词中不同类的一项。
(1). A. went B. took C. visit
(2). A. with B. for C. plant
(3). A. cheese B. crayon C. pencil
(4). A. she B. her C. his
(5). A. fifteen B. twenty C. children