Although, it's raining, ____are still working in the fields.
A.they | B.but they | C.and they | D.so they |
__________ we had read your letter __________ the true state of affairs.
A.It was until; that we understood | B.It was not until; we understood |
C.Until; did not we understood | D.Not until; did we understood |
To his disappointment, the opinion he tried to stick __________ wrong.
A.to prove | B.to proving | C.to was proved | D.to proved |
–Excuse me, Madame. Is this plane __________ take off soon?
–Oh, yes. In five minutes.
A.about to | B.starting to | C.beginning to | D.to |
An awful accident __________, however, occur the other day.
A.does | B.did | C.has to | D.had to |
Barrack Obama __________ President of the United States since 2010.
A.became a | B.has become a | C.has turned | D.has been |