19. To work at home has been made _____ with the development of the Internet.
5.The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
3. The man pulled out a gold watch, __________ were made of small diamonds. 4.
1. By nine o'clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ___________ appeared a rare rainbow soon. 2.
Don’t try to _____ your boss; he won’t plan to employ me—a fresh student.