It has been accepted that all the students ____ put on masks before going to school in case they are infected with flu virus.
——What do you think of your step—mother? ——There are some things that are not easy to______,but on the whole she is a good mother.
一You’ve made great progress in your survey, haven’t you? ——Yes,but some problems among the youngsters still remain——.
“A Red,Red Rose”,_____romantic poem,is written by Robert Bums,quite a few of whose works are involved in _______ nature.
______ different China is from the one _______ it was 60 years ago A.What a:that B How;that C What a;which D How;which
— Hi.George,can I use your lorry for a while tonight? 一Sorry.______.