【单选题】
在19世纪初叶
①
in the early nineteenth century
②
at the early nineteenth century
【单选题】
It’s getting colder. You’d better _____ your coat.
【单选题】
提出建议
②
put forward a suggestion
【单选题】
Hurry up, _____ you’ll be late.
【单选题】
I know ________ everything is going to be right.
【单选题】
One can’t learn a language well, ________ he works hard.
【单选题】
I _______ asked ________ the question.
【单选题】
Let’s begin our class _________ you are all here.
【单选题】
Tom can’t come _____ he is ill.
【单选题】
We have cleaned our yard, _____ they haven’t cleaned theirs.