The computer centre, ______ last year, is very popular among the students in this school.
A.open | B.opening |
C.having opened | D.Opened |
Please go on trying, I’m sure the efforts you are ________ will pay off.
A.doing | B.giving | C.making | D.sparing |
–Who is the man talking to the headmaster?
–A professor ________ a visit to our school.
A.pays | B.is paying | C.paid | D.paying |
Scientists found many stones ________ with numbers on the mountains.
A.marking | B.marked | C.being marked | D.have been marked |
–The plane is due to take off at 7:50 from the airport.
–________ we fail to arrive there in time. –Try to take another flight then.
A.What if | B.As if | C.Even if | D.Only if |
–I’d like to buy a new CD player. –Well, we have several models ________.
A.to choose of | B.to choose from | C.to be chosen | D.for choosing |