Let me help you cross the street. —–_________! I’m not that old.

Would you like some tea–Yes, please. By the way, do you have any milk Iprefer tea_______ milk.

the methods of introducingforeign genes into a plant is to make use of certainsoil bacteria to infect the plant andtransfer several of blue genes to the infected plantcells, _____ in high rate of plant cellpision.

Glasses are__and must be handled with great care.

o help creativity grow, we must firstmake sure we can ______ways and ideas different from our own.