问题

How long do you think it is ______he took up the job?— Half a year at least
A:when
B:before
C:that
D:since
B:before
C:that
D:since
正确答案是:
同类题型
Don’t eat too food, because it is bad for your health to eat too much salt.
swinter.– ______, the majority of the expertspredict that the temperature will be normal.
Do you like classical music—________.I’m quite keen on jazz.
It is in the west of China _____ there is no doubt_____it is going to rain tomorrow.