His sister left home in 1998, and _______since.
---Will you stay for the dinner?---Sorry,__________. The cookers I bought online will be sent to my house this afternoon.
I need some carbon paper badly, but there is _____ at hand.
“We Chinese people always put emphasis on the friendly relationships ______ the people of all countries.” said the Ambassador.
______ to reach them on the phone, we sent an email instead.
He didn’t make____clear when and where the meeting would be held.