He ___________ the volunteer group last year and ___________ many activities since then.
A. took part in…joined B. joined…took part in C. joined…has taken part in
Be careful when you go ____ the street because the traffic
is very busy at the moment.
| A．across | B．behind | C．between | D．over |
–When do you usually get up, Xiaoli?
–____ 6:30 in the morning.
| A．In | B．On | C．With | D．At |
The engineer will return from Macao ____ a few days.
| A．since | B．in | C．on | D．after |
–When will Mr. Black come to Beijing? –____ September 5.
| A．On | B．To | C．At | D．In |
It was a very long day for Jack. He didn’t get home from
school ____ six o’clock.
| A．since | B．to | C．by | D．until |