____ several times, the young scientist still kept on doing his experiments.
| A．Having failed | B．Having been failed | C．Failed | D．To fail |
As we all know, health food usually doesn’t ____ too much fat.
| A．include | B．involve | C．contain | D．consist of |
You’ll find the hot issue that Da Vinci Furniture Co.,Ltd sold fraud假冒的) furniture _____all over China.
| A．talk about | B．to talk about | C．talking about | D．talked about |
_______ in a top-level university abroad is what many students wish for.
| A．Educated | B．Being educated | C．To educate | D．Educating |
We won’t go to the park if it ______ tomorrow.
| A．is snowing | B．will snow | C．snows | D．snowed |
Jack is the most intelligent man____ I’ve ever met.
| A．that | B．what | C．which | D．where |