2019年mpa考试英语真题——非谓语动词1042

{01}With so much work _______, we had to sit up through the night.
A.done          
B.doing               
C.to do                
D.being done
解析：
本题选C。

{02}Birds" singing is sometimes a warning to other birds ________ away.
A.to stay  
B.staying
C.stayed  
D.stay
解析：
本题选A。

{03}The difference in thickness and weight from the earlier version makes the iPad 2 more comfortable _____.
A.held
B.holding
C.be held
D.to hold
解析：
本题选D。