The train ______ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
| A．went | B．is going | C．goes | D．will be going |
They demanded that the books________ to the school library at once.
| A．return | B．should return | C．be returned | D．would be returned |
I got into trouble again. Only then ________ that I should have followed my parents’ advice.
| A．I realized | B．did I realize | C．realized I | D．had I realized |
If somebody has ________ first-degree burn, give him or her ________ first aid by placing a cool, and wet cloth on it.
| A．the;不填 | B．the; the | C．a; the | D．a;不填 |
— Her father is very rich.
— ________ She wouldn’t accept his help even if it were offered.
| A．What for? | B．So what? | C．No doubt. | D．No wonder. |
Don’t worry！There is still a great chancewe can make up for the lost time.
| A．which | B．that | C．where | D．when |