In fact, her persistance(坚持) is one of the ____ why Tu Youyou won the Nobel Prize.
| A．reasons | B．sayings | C．results | D．plans |
--Where ______ you ______lunch?---At home.There was no school lunch.
| A．did,have | B．are ,having |
| C．will,have | D．do,have |
We have to stay at home ________ the heavy rain.
| A．because | B．because of |
| C．but | D．and |
My parents decide ________ to the beach this week.
| A．go | B．goes | C．to go | D．going |
Tom, your father is waiting ______ you at the school gate.
| A．for | B．at | C．with | D．as |
He ________ late for school.
| A．is often | B．often is |
| C．does often | D．often does |