I made a promise to myself _______ this year, my first year in high school, would be different.
| A．whether | B．what | C．that | D．how |
The population of Jiangsu __ to more than twice what it was in 1949. The figure is now approaching 74 million.
| A．has grown | B．have grown | C．grew | D．are growing |
Some of you may have finished unit one. _____ , you can go on to unit two. 
| A．If you may | B．If you do | C．If not | D．If so |
The government plans to bring in new laws _____ parents to take more responsibility for the education of their children.
| A．forced | B．forcing | C．to be forced | D．having forced |
The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.
| A．what | B．which | C．that | D．though |
Frank put the mediocre in the top drawer to make sure it would not be_______ to the kids.
| A．accessible | B．relative | C．acceptable | D．sensitive |