PREPOSITION

He was eventually diagnosed as suffering (a)   terminal cancer.

PREPOSITION

The instructor is explaining the competition's rules (a)   the competitors.

PREPOSITION

In order to participate (a)   the meeting, you must be under 25.

PREPOSITION

The teacher divided the class into three groups (a)   ten.

They worked hard together, (a)   and under pressure. ( compete )

Don't write anything until the instructor finishes his (a)   . ( explain )

In activity 5, Hung had difficulty (a)   the poem. ( recite )

Last month the company volunteered to (a)   fifty trucks to help the flooded areas. ( donation )

It was only later in life that she found (a)   and peace of mind. ( happy )

"Don't forget to do your homework." The teacher said to students ( REMINDED )

=> The teacher

(a)  

" I think that you have drawn up some excellent plans. I must congratulate you."

=> I must congratulate (a)  

The baby didn't cry, so we had a good sleep.

=> Had

(a)  

I am very busy so I can not go with you.

=> If

(a)  

This is the first time I am in an important examination. ( NEVER )

=> I (a)   before