I don't know ______ we can finish the work on time.
A: that
B: if
C: when
A: that
B: if
C: when
举一反三
- I don’t know what ______ when i finish school. My brother ______ university in Sep. , but I don’t like studying.
- I don’t know when the guests _____be here. They ____arrive at any time.
- I don’t know what his interests are, because we talked () about work when we met. A: main B: mainly C: major D: majorly
- 智慧职教: I don’t know if I can go through ________ the task in such a short time.
- I don’t know ___ he could finish the job on time or not. A: why B: whether C: if D: what