the blackboard and you can some number on it.A. Look at; seeB. Look at; look atC. See;

问题补充：

the blackboard, and you can some number on it.

A. Look at; see

B. Look at; look at

C. See; look at

D. See; see

答案：

(答案→)A. Look at; see

B. Look at; look at

C. See; look at

D. See; see

解析：本题主要考查的是look at sth，表示看···，强调看的过程，而see表示看见的意思，表示看的结果。故选答案为A