The__________ that there is life on other planets in the universe has always inspired scientists to explore the outer space.
| A． |
advice |
B． |
order |
C． |
possibility |
D． |
invitation |
Technological innovations， ______ good marketing， will promote the sales of these products．（ ）
| A． |
combined with |
B． |
combining with |
| C． |
having combined with |
D． |
to be combined with |
Taking on this challenge will bring you ______ someone who shares your interests．（ ）
| A． |
in exchange for |
B． |
in answer to |
| C． |
in contact with |
D． |
in memory of |
The outbreak of Covid﹣19 has meant an ______ change in our life and work．（ ）
| A． |
absurd |
B． |
abrupt |
C． |
allergic |
D． |
authentic |
If I hadn't been faced with so many barriers，I ______ where I am．（ ）
| A． |
won't be |
B． |
wouldn't have been |
| C． |
wouldn't be |
D． |
shouldn't have been |
There will still be lots of challenges if we are to ______ garbage in a short time．（ ）
| A． |
clarify |
B． |
justify |
C． |
satisfy |
D． |
classify |