—What did the teacher say just now？
—He asked me _________.（ ）
A．how could I work it out
B．when did I go to the library
C．why I looked unhappy then
D．who I am waiting for
Sandy，the glass is broken．How did that happen？
Sorry，Mum．I don't know．I outside．（ ）
A．playB．was playing
C．have playedD．am playing
The couple will be away for a while and they need someone the baby．（ ）
A．look afterB．looking after
C．looked afterD．to look after
What do you think of our hotel？
Good! I'm especially satisfied with the high of your service．（ ）
A．levelB．speedC．praiseD．price
I don't know what her hobbies are because we talk about work when we meet．（ ）
A．sometimesB．neverC．alwaysD．seldom
Moon cakes for free to those old people this coming Moon Festival．（ ）
A．were offeredB．will offer
C．have offeredD．will be offered