1 . A police spokesman said if the man had gone much further in opening the letter, he _________ killed.

A．may be

B．could have been

C．would be

D．should have been

2 . I ______ ______ ______ come over to see you last night, but I was too busy then.
昨晚我本打算去看你，但是那时我太忙了

3 . Had China and other countries involved in the Belt and Road Initiate not worked together, we ________ great achievements in the financial development since 2015.

A．hadn’t achieved	B．would not have been achieving
C．did not achieve	D．would not achieve

4 . — Sorry, Daddy. I am not getting on well with my studies.
— Well. ________ you hadn’t wasted so much time playing online games.

A．As if

B．Even if

C．If only

D．Only if

5 . If I had found a good job, I ______ more money.

A．save

B．should save

C．saved

D．would have saved