You should visit your parents _____, even when you are very busy.
| A．by and by | B．more or less | C．step by step | D．now and then |
The local government has done everything it canthe buried miners．
| A．save | B．saving | C．to save | D．be saved |
It is difficult for a teacher to give attention to children in a large class．We should reform the situation in order to meet each child’s needs．
| A．private | B．personal | C．individual | D．single |
_____she forgets to bring a health certificate?
| A．What if | B．How about | C．What for | D．So what |
Last night, an accident happened at ________ crossroad a few meters away from _____supermarket．
| A．a; a | B．/ ; a | C．/ ; the | D．the; / |
— Did Jack come back early last night?
— Yes. It was not yet eight o’clock ________ he arrived home.
| A．before | B．when | C．that | D．until |