Don’t you think the world would be an easier place to live in, if we all ________ the same language?
.We have got a heavy snow there in my hometown this winter, which is a sign that this year _____ to be another good one for harvests.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
The Smith’s family, which __________ a large one, ____________visit BeiJing this summer.
My old father began to study computer science at the age of sixty in order that he might ___ times.
—You must be tired out yesterday. —Oh, _____, I worked all day non-stop.