He devoted most of his time to researching into space, believing his hard work would ______ sooner or later.
| A．pay back | B．pay for | C．pay off | D．pay up |
Some of the members demanded to know why they had been kept____the true facts until they reached the present critical stage.
| A．in view of | B．in honor of | C．in place of | D．in ignorance of |
The young man is intelligent and diligent; be is sure to____in his new position.
| A．go on | B．go out | C．go for | D．go far |
Watch out! ____caught smoking here shall be fined.
| A．Whoever | B．Whomever | C．Anyone | D．No matter who |
Nowadays food safety is a big problem and nobody can guarantee all foods are safe to us, but food produced in the normal companies is____better.
| A．strictly | B．absolutely | C．relatively | D．exactly |
The teacher said we____ten lessons by the end of this term.
| A．should have studied | B．were going to study |
| C．have studied | D．should study |