—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone＿＿＿＿＿the telephone.
| A．must use | B．uses | C．must have been using | D．must be using |
26. His younger sister is often made to cry by him, but this time she made him ______.
| A．crying | B．cry | C．to cry | D．cries |
25. Most of us think ______ important to know how to get well along with others.
| A．it | B．不填 | C．that | D．this |
24. More and more foreigners are working in China, ______?
| A．are they | B．aren’t they | C．do they | D．don’t they |
23. The day before yesterday, I ______ one of my old friends in the street.
| A．meet | B．met | C．will meet | D．have met |
22. The girl often helps her best friend, ______ is not good at English. To their delight, his English is improving day by day.
| A．which | B．who | C．what | D．where |