【推荐1】There ________ a limit to what one person can tolerate. (用适当的词填空)

【推荐2】Directions: Fill in the blanks with the verbs in their proper forms.
1. Ten more people are yet to come. So there _______ 20 altogether. (be)
2. When the light suddenly went out, Ann _______ to get the candle. (offer)
3. We were all laughing even though Daniel _______ his joke yet. (not finish)
4. By the end of the 18th century, the city’s population _______ about two million. (be)
5. I’d really like to go to France on a tour one of these days, but I _______ the opportunity so far. (not have)
6. -- Excuse me, sir. You are not supposed to be here. This area is for the airport staff only.
-- I’m sorry. I _______ the sign. (not notice)
7. A satellite has equipment for _______ electricity from sunshine, using very broad sun panels（面板）. (make)
8. In the woods there were safe roads for strangers _______ their cars along. (drive)
9. _______ for many purposes, computers can be used to prepare payrolls, guide airplane flights, direct traffic, even to play chess. (design)
10. As an added safety measure, he had special cabinets _______ so that he could lock up his most valuable objects every night. (build)

【推荐1】There is no doubt___________it is unwise to depend completely on the ratings in consumption. (用适当的词填空)

【推荐2】There ________ (remain) one more test to be carried out before we put the instrument into operation. (所给词的适当形式填空)

【推荐3】There is no need for you ______（be）in such a hurry. There is still some time left. (所给词的适当形式填空)