Does the old man know the museum very well? —No, this is the first time he __________ here.

I’ve become good friends with some of the students in my school ________ I met in the English speech contest last year.

With many major economic problems_______ to be addressed, there is no point _______ the growth rate of this year now.

Do you think you will be able to finish your writingby five o’clock today— ______ I’ll be busy with experiments all day

What’s your best friend like