By 2050, medical technology _________ many diseases.
A.will have conquered
B.Conquered
C.has conquered
D.is conquering

After finishing the presentation, I suggested ______________to the cinema.
A.us to go
B.that we to go
C.going
D.we going

Choose show the underlined part that needs correction.
Heavily polluted factories will be closed down sooner or latest.
A.Heavily
B.be closed
C.sooner
D.latest

Choose show the underlined part that needs correction.
I will never forget what has he done for me.
A.I will
B.forget
C.has he
D.for me

Choose show the underlined part that needs correction.
These televisions are all too expensive for we to buy at this time, but perhaps we will return later.
A.these
B.all too expensive
C.we
D.this time

Choose show the underlined part that needs correction.
Because they had spent too many time consideringthe new contract, the students lost the opportunity to lease the apartment.
A.because
B.too many
C.considering
D.lost the opportunity

A.cultivate
B.latitude
C.desperate
D.disaster

“ More coffee? Anybody?” - “ _________________.”
A.I don’t agree, I’m afraid
B.I’d love to
C.Yes, please
D.It’s right I think

The classroom ____________ when the teacher arrived .
A.was being cleaned
B.is cleaned
C.was cleaning
D.was cleaned

“Oh, I’m really sorry!” ~ “_____________________.”
A.It was a pleasure”
B.That’s all right
C.Thanks
D.Yes, why?