__________ Tom didn’t pass the exam made his parents very upset.
| A．Which | B．What | C．That | D．When |
Don't blame such a small boy any more. Even the wisest___ make a mistake sometimes.
| A．must | B．can | C．should | D．shall |
A red light will start continuously flashing when the batteries____ low.
| A．get | B．will get | C．are getting | D．got |
I’m sorry I didn’t phone you, but I’ve been very busy_____ the past couple of weeks.
| A．beyond | B．with | C．among | D．over |
The science of computer,____ rapid progress has been made, is the most important of all.
| A．to which | B．from which | C．in which | D．of which |
Before use, your new mobile must fully____.
| A．get charged | B．become charged |
| C．remain charged | D．turn charged |