题目内容

The keyboard operators are typing ____ on the computers.

A. letters
B. letter
C. a letter

查看答案
更多问题

Tim is ____ a pencil.

A. sharpen
B. sharpening
C. sharp

cl___d n.云

A. au
B. oun
C. ou

s__n n.太阳

A. u
B. o
C. i

sh__ne v. 照耀

A. a
B. i
C. u

答案查题题库