Experiments of this kind __________ in both the U. S. and Europe well before the Second World War.
A.have conducted |
B.have been conducted |
C.had conducted |
D.had been conducted |
Don’t try to persuade my parents;they won’t have theof forgiving me.
A.intention | B.attention | C.sense | D.attraction |
He formed a good habit from his childhood, ________ a lot of useful knowledge.
A.remember | B.to remember | C.remembering | D.remembered |
When the students heard the alarm, they all hurried to they thought was an emergency exit door.
A.what | B.which | C.where | D.who |
— Have you told Mary the good news that she was admitted into Shandong University?
— Yes. I told her ________I saw her this morning.
A.while | B.the moment | C.until | D.suddenly |
—Your colleague's spoken English is quite good, Amy.
— No wonder, as she in the USA for two years.
A.worked | B.has been working | C.had worked | D.has worked |