After the mass shootings at Sandy Hook Elementary School, President Obama ordered his members to ________ solutions to gun violence.
The party was a success ,but we thought it a pity not ______you.
.He went to American _____some English as well as ____.
Do you have any letters ______ today? -I had my son _______it this morning .Thank you anyway.
_____more time, he’ll make a first-class tennis player.
I meant ____,but when I was leaving I couldn’t find her anywhere. A.to do B. toC. doing D doing to