Before ___ a loan ____, calculate (核算) your monthly costs.
| A.taking; off | B.taking; away |
| C.taking; out | D.taking; over |
This is the biggest lab__________we have ever built in our university.
| A.which | B.what | C.that | D.Where |
He is__________as a leader but he hasn’t__________in teaching.
| A.success; many experiences | B.a success; much experience |
| C.great success; an experience | D.a great success; any experiences |
Only by practising constantly__________ greater progress.
| A.we can make | B.then we will make |
| C.can we make | D.we must make |
__________ printed, this science fiction will be popular among the students.
| A.Before | B.Unless | C.Although | D.Once |
. —I’m leaving for Canada on a study trip next week.
—_________.
| A.Enjoy your time | B.That’s all right |
| C.You’re welcome | D.It’s a pleasure |