My pain ___________ obvious the moment I walked into the room, for the first man I met asked me pitifully:" Are you feeling all right?"
| A．must be | B．must have been |
| C．could be | D．could have been |
5.The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
| A．most of them | B．most of which |
| C．most of what | D．most of that |
4.Occasions are quite rare ______ I have the time to spend a day with the kids.
| A．who | B．which | C．why | D．when |
3.The man pulled out a gold watch, __________ were made of small diamonds.
4.
| A．the hands of whom | B．whom the hands of |
| C．which the hands of | D．the hands of which |
1.By nine o'clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ___________ appeared a rare rainbow soon.
2.
| A．of which | B．on which | C．from which | D．above which |
Don’t try to _____ your boss; he won’t plan to employ me—a fresh student.
| A．suggest | B． persuade | C．advise | D． expect |