—Peter, where did you guys go for the summer vacation?—We ____ busy with our work for months, so we went to the beach to relax ourselves.
#100350
A
had been
B
have been
C
were
D
will be
推荐题目
Scientific experiments __________ by students without the teachers’ instructions can be dangerous.
#103839
A
carry out
B
carrying out
C
carried out
D
carrying
With the development of modern society, E-mail as well as telephones an important part in daily communication.
#101452
A
have played
B
is playing
C
are playing
D
played
She ____ necklaces with the help of Ms Sullivan when she ____ that she had made some mistakes.
#101149
A
was working, was noticing
B
made, was noticing
C
made, noticed
D
was making, noticed
— Could I have the small table by the window?— Sorry, sir. It ______ in advance.
#100128
A
booked
B
will be booked
C
had booked
D
has been booked
—Can I drive on the free way, Mr．Green?—You can when you____________ a bit more skilled．
#103715
A
will get
B
are getting
C
will have got
D
get