I know Mr. Brown；we ＿＿ to each other at an international conference.
#104419
A
are introduced
B
have been introduced
C
were introduced
D
had been introduced
推荐题目
——What time＿＿＿＿you＿＿＿＿Ann?——At about 7 o'clock，or maybe later， when I am done with this report.
#100483
A
did；meet
B
are；meeting
C
do；meet
D
have；met
My mind wasn't on what he was saying so I'm afraid I ______ half of it.
#101245
A
was missing
B
had missed
C
will miss
D
missed
Alice is now in the UK, but she _____ English for three months in Hong Kong.
#103357
A
did study
B
has studied
C
had studied
D
studies
--- Let’s go shopping, shall we?--- Wait a minute. I ________ my housework and it won’t take long.
#100123
A
just finish
B
am just finishing
C
have just finished
D
am to finish
I _______ online games for two years, but I’ve never regretted giving it up.
#100083
A
play
B
was playing
C
played
D
had played