用So far（到目前为止） 造句造5个句子,下午来收,

Sofar,theactivitieshastenpeopletakepartin.

1.The scientist is doing experiments no one has so far attempted.科学家们正在作一项迄今为止没人做过的实验.2.We've only raised 2000 so far; we're still 500 short (of the amount we need).我们到目前为止...