【单选题】My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday?A.leav
A.
18. My mother ____ for Beijing in a few days. I wonder when the earliest plane ____ on Monday? A.leaves; takes off
C.
is leaving; is taking off
【单选题】I wonder if this is ______ looking for.
【单选题】---I wonder whether I can finish the task in time. --- ____________
【单选题】能通过六号筛,并含能通过七号筛不少于95%的粉末为