1 . ________the sun was shining, it wasn’t very warm.

A．Because

B．Although

C．Since

2 . ________, you can’t fool him.

A．The child though John is	B．Though child John is
C．As child John is	D．Child as John is

3 . People order everything online, ________ they want to buy fresh ingredients, hot meals or even toilet paper, and rely on deliverymen to bring goods to their doorstep.

A．when

B．no matter what

C．whether

D．in which

4 . ________ conversion (转化) is quite universal, plenty of grammarians object to the practice of turning so many nouns to verbs in the language of English.

A．Even if

B．In case

C．As if

D．As long as

5 . ________ he was tired, he went on working; ________ he knew it wouldn’t last long.

A．Although; and

B．Although; but

C．Since; and

D．Though; or

6 . The tomato is really a fruit, _______ it is usually eaten as a vegetable.

A．as

B．although

C．unless

D．if

7 . ________ Mrs. White has very little money, she always dresses smartly.

A．Before

B．Since

C．Though

D．Because

8 . ______ he is a boy difficult to get on with sometimes, I quite like him.

A．Since

B．While

C．Until

D．When

9 . ________ChatGPT, an advanced AI chatbot, can interact in a conversational way, it still struggles to be completely accurate with its responses.

A．Since

B．Unless

C．Once

D．Although

10 .         you are in a speech contest or you are giving a talk in class, a little preparation will make your presentation organized and dynamic.

A．Either

B．While

C．Whether

D．No matter