is very difficult for them babies .
| A．It , have | B． That, to have |
| C．That , make | D．It, to have |
— Excuse me, Miss Li. Where will you take _____ trip?
— I’ll travel to a famous island of _____ Pacific Ocean.
| A．a; / | B．a; the | C．the; / | D．the; the |
If you study hard , I’m sure you’ll get good ________.
| A．school | B．class | C．grades | D．works |
Our physics teacher told us that light ________ faster than sound.
| A．travel | B．travels | C．is travelling | D．has travelled |
—What do you want to be when you________?
—A doctor.
| A．look up | B．come up | C．get up | D．grow up |
—Many tourists ________to the Great Wall every year.
—Yes, that’s true.
| A．attract | B．have attracted | C．are attracting | D．are attracted |