I __________ him all the time, so I __________ what he told me just now.
| A．believe in；believe in |
| B．believe in；believe |
| C．believe ； believe in |
| D．believe ； believe |
—Mom, today I received a message telling me to send money to the account.
—Delete it. It’s a trick. Many a person ________ by such tricks.
| A．have been cheated | B．were cheated |
| C．has been cheated | D．was cheated |
So sudden ________that the residents had no time to escape.
| A．was the earthquake | B．did the earthquake |
| C．the earthquake did | D．the earthquake was |
— How long will it be _______ the president pays another visit to China?
— It all depends.
| A．before | B．until | C．since | D．when |
Look! the ground is wet. It must have rained last night, _______?
| A．hasn’t it | B．didn’t it | C．mustn’t it | D．hadn’t it |
Generally speaking, _______ according to the directions, the drug has no side effect.
| A．if taking | B．if taken | C．if to take | D．if being taken |