— Is there any possibility __________ you could pick me up at the airport?
—No problem.
| A．when | B．that |
| C．whether | D．what |
______ is amazing to us is ______some plants can sense the soft touches of the insects on the leaves.
| A．That; that | B．What; what | C．What; that | D．That; what |
______ wants to enter the company must show his ID at the entrance.
| A．Anyone | B．Whoever | C．Who | D．The one |
I’ve heard a whisper ______ David and Alice are going to get married.
| A．what | B．which | C．who | D．that |
Is ______ true that the famous scientist will give us a lecture on how to predict earthquakes next week?
| A．that | B．it | C．this | D．he |
She was surprised to find the fridge empty; the child _____ everything!
| A．had been eating | B．had eaten | C．have eaten | D．have been eating |