1.neither the director nor his assistant....... Yet. A. Has come B. Hasn't come C. Have come D. Haven't come 2.she sent me the book which she...... Many years before A. Reads B. Read C. Have read D. Had read 3.I think hr will join us,.......? A. Doesn't he B. Won't he C. Will he D. Do i 4.the soctor made me..... In bed for a week A staying B. Stay C. Stayed D. To stay 5.i don't know yet, but it's worth..... About, isn't it? A. To think B. To be thinking C. Thinking D. To be thought