Scientists generally agree that earth’s climate will warm up over the next 50 to100 years______ it has warmed in the 20,000 years since Ice Age.A. so long as. B. as much as C as long as. D as well as
Buses have routes. They _________ and _________people at different places on the routes.
The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
__________ the students, the teacher came into the room smiling.
.I have told you the truth. ______ I keep repeating it? A Must B Can C May D Will
Can you think of some cases ________ people can communicate only by means of body language?