David has to admit the fact ________ he has fallen behind the others in his class.
A．whether B．that C．why D．when
—Where are you going during the summer vacation?
—I’ve found a nice beach ________ I can enjoy swimming.
A．that B．when C．where D．which
—I’ll be away on a business trip for a week. Would you mind looking after my dog?
—Not at all. ________.
A．I’d like to B．I’d rather not C．I’d like it D．I’ve no time
She wants to apply for a ________ in the office of the new government.
A．position B．location C．condition D．career
Lady Gaga has put off her concerts because of the difficulties ______ by the ongoing strikes.
A．causing B．to be caused C．caused D．to cause
—Jane, have you finished your paper?
—No, I ________ my sister with her drawing all the morning.
A．help B．helped C．was helping D．have been helping
