I ____ the blackboard carefully, but I couldn't see anything.

1. I ____ the blackboard carefully, but I couldn't see anything.

A. lookedat B. looked C. lookedfor D. lookedup

【考点】

动词辨析; 固定搭配;

【答案】

您现在未登录，无法查看试题答案与解析。登录

单选题普通

1. 一How can I____?一Turn right at the school.

A. gettothere B. getthere C. getsthere

单选题容易

2. Mike is only two years old, but he can____ten.

A. count B. countto C. countingto

单选题容易

3. My mother usually spends an hour ____ the housework every day.

A. todo B. doing C. do D. does

单选题容易