Do you think the first problem in this math test difficult?—Yes．I could work it out．

Can you buy me a birthday cake _____the afternoon?—Sorry, I’m busy. I can do it_____ Sunday afternoon. [ ]

The two dresses are very nice. I can’t decide _________。

Listening is just as ______ as speaking in language learning.

Don’t turn on the TV. Lucy has just come home from work and __________.