We are _______ at the rapid progress Mark has made in this semester.

单选题

We are _______ at the rapid progress Mark has made in this semester.

答案解析

单选题

At least 2 tyres blown out during landing roll, we are unable to _______ the runway, request passenger steps and buses to take the passengers to the terminal.

答案解析

问答题

We are surprised at his great________(improve) in English.

答案解析

单选题

We are in the same ________ at this moment; we have no other choice but to help each other.

答案解析

单选题

We are delighted at the news ______ they have started the business cooperation with your company.

答案解析