Mr.Hall understands that___math has always been easy for him,it is not easy for the students
| A．unless |
| B．since |
| C．although |
| D．when |
With the rapid growth of population, the city _____ in all directions in the past five years.
| A．spreads | B．has spread | C．spread | D．had spread |
- How long _____ at this job ?
- Since 1990.
| A． | were you cmployed | B． | have you been employed |
| C． | had you been employed | D． | will you be employed |
— When will you come to see me, Dad ?
— I will go to see you when you _____ the training course.
| A．will have finished | B．will finish | C．are finishing | D．finish |
My uncle ______ until he was forty –five.
| A．married | B．didn’t marry | C．was not marrying | D．would marry |
I wonder why Jenny ____ us recently. We should have heard from her by now.
| A．hasn’t written | B．doesn’t write | C．won’t write | D．hadn’t written |