The shop _________ in May. A: opens B: opened C: is to be opened D: has opened

We have received your L/C ____ Bank of China. A: opened for B: opened in C: opened through D: opened at

Several branches of the bank have recently ________ across China. A: opened with B: opened on C: opened off D: opened up

The noise of the desks _____ could be heard in the next classroom. A: being opened and closed B: opened and closed C: having been opened and closed D: to be opened and closed

1. The door is open. Who _____________ it? (has opened / had opened)

The noise of desks___could be heard out in the street. A: opened and closed B: to be opened and closed C: being opened and closed D: having been open and closed

Which component is an active device? A: resistor B: capacitor C: transistor D: inductor

At the beginning of the class,the noise of desks ________could be heard outside the classroom. A: opened and closed B: to be opened and closed C: being opened and closed D: to open and close

A．open toB．opened toC．open forD．opened for A: open to B: opened to C: open for D: opened for

How long will it take you to get the bank card if you have opened an account in a bank A: Two weeks after you opened the account. B: At least one week after you opened the account. C: Less than a week after you opened the account. D: Immediately after you opened the account.