His parents are very concerned about his son at school because he _______moving in his seat.
#103160
A
is always keeping
B
always keeps
C
does keep
D
has always kept
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The research they had been devoted to ______ to be of great value to the cancer patients.
#103621
A
is proved
B
proves
C
has proved
D
proved
一Why are you so excited，John?—Our class got the first prize in the singing contest at last，which we forward to．
#103536
A
have been looking
B
had been looking
C
looked
D
had looked
Please tell me _____ tomorrow morning.
#104563
A
what are you doing
B
what you are doing
C
what you will be doing
D
what will you be doing
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
Last night my neighbors ______ such a loud noise at the party that I couldn’t sleep at all.
#102186
A
were making
B
are making
C
had made
D
have made