Russia sent two ships to help in the ........ of the oil spill.(cleanup/clean up)

the ........of the toxic waste site will cost billions of dollars. (cleanup / clean up)

Lillian is ....... Mark is prepared to brief. ( allready/ all ready)

I’m going to wait here for ...... . ( while / awhile/ a while)

...... his best Efforts, The man couldn't succeed. (Although/ Despite)

Riya ......informed me that she is to reach the airport. ( already / all ready )

Some of the professor’s lecture is ...... impossible to understand. ( together / altogether / all together )

Each and ...... of the cards you gave me was worthless. (every one / everyone)

....... the exam was difficult, I think I did well. (Despite /Although)

It is ....... illegal to culture human-animal embryos for more than fourteen days. (already / al ready )

After the reception, you should all come ...... to the garden. ( together / altogether / all together )

When they pulled the shark up in the net it was ..... dead. (already / al ready )

When the touch-me-not plant is touched, its leaves fold up. Its stem droops. After ...., the plant goes back to normal. (awhile/ a while/while)