My brother often forgets _________ the windows, but he remembered __________ them when he left yesterday.
| A．closing, close | B．to close, close | C．closing, to close | D．to close, closing |
—What's the today ?
— It's April 1st.
| A．day | B．date | C．time | D．month |
Let's sightseeing together.
| A．went | B．going | C．go | D．to go |
The old woman is seventy years old, but she _____ very young.
| A．sees | B．looks | C．watches | D．hears |
It’s not very safe ______ on the Internet.
| A．to shop | B．shop | C．shopping | D．shops |
— is Helen going to visit her grandparents ?
— Next Sunday.
| A．What | B．When | C．How | D．Why |