“Stop thief! Stop thief!” But the thief was ________ by the crowd and we lost sight of it.
| A．drowned | B．swallowed | C．caught | D．stopped |
The reason was _____ I was busy with my work at that time.
| A．why | B．because of | C．that | D．what |
The problem is _____ will go.
| A．that | B．when | C．who | D．whoever |
He misunderstood _____ I said.
| A．that | B．when | C．where | D．what |
Is this _____ ?
| A．you are looking for | B．that you are looking for |
| C．what are you looking for | D．what you are looking for |
The trouble is _____ we are short of hands.
| A．what | B．that | C．how | D．why |