You don’t know whether the shoes fit you ________ you try them on.
| A．until | B．unless | C．when | D．as soon as |
-Must I do my homework now? -No, you _ _. You may have a rest.
| A．mustn't | B．needn't |
| C．can't | D．wouldn't |
It's kind _you _help me with my English.
| A．of; to | B．for; to |
| C．of; for | D．to; to |
一China’s first moon car‘‘Yutu”has arrived on the moon surface．
一________ It’s a huge step for our space exploration．
A．My pleasure! B.Good idea ! C.How exciting!
There are some words_______can cross countries and cultures，such as“OK”．“Huh’’and“mama”．
A．what B．which C．／
一British engineer，Tim Berners-Lee_______the idea of the World Wide Web in 1989．
一You’re right，and the World Wide Web is 25 years old this year．
A．caught up with
B．got along with
C．came up with