第二部分：英语知识运用（共两节, 满分40分）
第一节：单项填空（共10小题，每小题1分，满分10分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．According to the newsman，as a result of heavy fog， expressway has been closed up until further notice．
A．a；the B．the；不填 C．不填；an D．the；the
Charles Babbage is generally considered ________ the first computer.
| A．to invent | B．inventing | C．to have invented | D．having invented |
. He said he would rather not _______ it right now.
| A．doing | B．to do | C．do | D．to be doing |
I’m hungry. Get me something _________.
| A．eat | B．to eat | C．eating | D．for eating |
--- I usually go there by train.
--- Why not _______ by boat for a change?
| A．to try going | B．trying to go | C．to try and go | D．try going |
She did nothing _______ at the photo.
| A．except look | B．but to look | C．except to look | D．but looking |