将刚烧开的水倒入干冰(固态CO2)中,水像重新沸腾一样:水中有大量气泡,同时水面上有大量“雾气”.“雾气”通过鼓风机喷入舞台,即可制造“云雾缭绕”的舞台效果.下列说法正确的是( )
Mom, can you help me wash my clothes?
Sorry, dear. Help ________.( )
A.myselfB.ourselvesC.yourself
What do you think of ________ movie Amazing China?
It's wonderful.( )
A.aB.theC./
Could you tell me _____?
I'm not sure, maybe tomorrow.( )
A.when does he leave for Changsha
B.when he is leaving for Changsha
C.when is he leaving for Changsha
If you are over 18 years old, you_____ to drive a car in our country.( )
A.can allowB.can't allow
C.can be allowed
Grandmother lives with my parents. They _____ her every day.( )
A.look atB.look afterC.look for