The theory he sticks to _______ to be of no use in his new work ______ he finds it hard to fit in.
It ______ Mr. Smith half an hour _____ get to his office.
The cleaners must keep the street _____.
On May 5, 2018, various memorial events were held nationwide ________ the 200th Anniversary of Karl Marx’s birth.
I am not sure if she________me to her party. If she________me, I will be pleased..