Having a trip abroad is certainly good for the old couple, but it remains _____ whether they will enjoy it. [ ]

Don’t ______ too late , or you will reel tired in class — I won’t , Mum . Good night!

Where have you been all day?- We _________ some beautiful children and we couldn’t get away from them until it was dark

I’m glad you told me about the concert being cancelled. ____ I’d have traveled all the way to Beijing for nothing.

If he doesn’t know how to read a new word, he usually in a dictionary.