The fact has worried many scientists _____ the earth is becoming warmer and warmer these years.
Jim had a lot of homework to do, but he ________ to finish it before bedtime.
At 30 we need to ________ to our lives and shed from fantasties. But to the depressed I whisper that life begins at 40.
What a big snake! It ________ one and a half metres long.
He noticed that a river of liquid rock was coming towards him. It would ________ him completely, but he managed to escape just in time.
Carl is studying ________ food science at college and hopes to open up ________ meat processing factory of his own one day.