. Look, little Betty is giving a talk to the children and is____ a teacher.
| A．somebody of | B．anybody like |
| C．something of | D．like anything |
— Where is John? — He _____ in the library.
| A．should be | B．must be | C．can be | D．must have been |
In recent years many football clubs ______ as business to make a profit.
A. have run B. have been run C had been run D. will run
If their marketing plans succeed, they ____ their sales by 20 percent.
| A．will increase |
| B．have been increasing |
| C．have increased |
| D．would be increasing |
If the weather had been better, we could have had a picnic. But it ____ all day.
| A．rained | B．rains | C．has rained | D．is raining |
We first met on a train in 200We both felt immediately that we ______ each other for years.
| A．knew | B．have known | C．had known | D．know |