The method recommended by WHO is in accuracy, but it is too demanding in operation and it consumes too many laboratory animals.
You can hardly imagine what great trouble we had the work.
Jim a skilled worker for almost six years. He is an experienced manager now.
--- I’ll come to see your performance at 9:00 tomorrow evening. --- But by then my performance will have ended and I reporters in the meeting room at that time.
China has in producing clones of cows and goats, and continues to research ways_______ can benefit mankind.
I wouldn’t think it him to join the club — he’ll only refuse.